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Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : ACCELERON PHARMA, INC.
Total Assignments: 41
Assignment: 1
Reel/Frame:020522/0453   Pages: 5
Recorded: 02/18/2008
Attorney Dkt #:A0904.70000US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
12/20/2007
2
KNOPF, JOHN
Exec Dt:
01/02/2008
3
PEARSALL, ROBERT S.
Exec Dt:
12/20/2007
4
KUMAR, RAVINDRA
Exec Dt:
01/02/2008
5
SEEHRA, JASBIR
Exec Dt:
01/02/2008
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8455428
US20080175844
11982738
Correspondence name and address
PATRICIA GRANAHAN
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 2
Reel/Frame:030876/0608   Pages: 5
Recorded: 07/25/2013
Attorney Dkt #:A0904.70000US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
12/20/2007
2
KNOPF, JOHN
Exec Dt:
01/02/2008
3
PEARSALL, ROBERT SCOTT
Exec Dt:
12/20/2007
4
KUMAR, RAVINDRA
Exec Dt:
01/02/2008
5
SEEHRA, JASBIR
Exec Dt:
01/02/2008
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130344067
13907798
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 3
Reel/Frame:043599/0520   Pages: 5
Recorded: 09/15/2017
Attorney Dkt #:A0904.70000US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
12/20/2007
2
KNOPF, JOHN
Exec Dt:
01/02/2008
3
PEARSALL, ROBERT SCOTT
Exec Dt:
12/20/2007
4
KUMAR, RAVINDRA
Exec Dt:
01/02/2008
5
SEEHRA, JASBIR
Exec Dt:
01/02/2008
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170354731
15686588
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF, GREENFIELD & SACKS, P.C.
BOSTON, MA 02210
Assignment: 4
Reel/Frame:061057/0782   Pages: 5
Recorded: 09/12/2022
Attorney Dkt #:A0904.70000US04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
12/20/2007
2
KNOPF, JOHN
Exec Dt:
01/02/2008
3
PEARSALL, ROBERT SCOTT
Exec Dt:
12/20/2007
4
KUMAR, RAVINDRA
Exec Dt:
01/02/2008
5
SEEHRA, JASBIR
Exec Dt:
01/02/2008
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220296708
17546983
Correspondence name and address
LINGYIN GE
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 5
Reel/Frame:025573/0745   Pages: 5
Recorded: 01/03/2011
Attorney Dkt #:PHPH-024-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
03/05/2008
2
SEEHRA, JASBIR
Exec Dt:
03/04/2008
3
KUMAR, RAVINDRA
Exec Dt:
03/04/2008
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8343933
US20110092670
12893976
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER, 800 BOYLSTON STREET
IPRM DOCKETING - FLOOR 43
BOSTON, MA 02199
Assignment: 6
Reel/Frame:023130/0672   Pages: 12
Recorded: 08/21/2009
Attorney Dkt #:A0904.70003US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8158584
US20090311272
12434598
Correspondence name and address
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 7
Reel/Frame:029425/0269   Pages: 12
Recorded: 12/07/2012
Attorney Dkt #:A0904.70003US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130039910
13447077
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 8
Reel/Frame:031289/0587   Pages: 12
Recorded: 09/26/2013
Attorney Dkt #:A0904.70008US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10059756
US20130040896
13447091
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 9
Reel/Frame:047107/0061   Pages: 12
Recorded: 10/09/2018
Attorney Dkt #:A0904.70008US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190048063
16049600
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 10
Reel/Frame:048280/0245   Pages: 12
Recorded: 02/08/2019
Attorney Dkt #:A0904.70003US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180179293
15895894
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 11
Reel/Frame:055810/0178   Pages: 12
Recorded: 04/02/2021
Attorney Dkt #:A0904.70003US04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210388104
17140398
Correspondence name and address
LINGYIN GE
600 ATLANTIC AVENUE
WOLF GREENFIELD & SACKS, P.C.
BOSTON, MA 02210
Assignment: 12
Reel/Frame:056381/0755   Pages: 12
Recorded: 05/28/2021
Attorney Dkt #:A0904.70008US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
06/12/2009
2
KNOPF, JOHN
Exec Dt:
06/11/2009
3
KUMAR, RAVINDRA
Exec Dt:
06/09/2009
4
PEARSALL, ROBERT S.
Exec Dt:
06/12/2009
5
SEEHRA, JASBIR
Exec Dt:
06/11/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220017600
17184692
Correspondence name and address
LINGYIN GE
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210-2211
Assignment: 13
Reel/Frame:023025/0682   Pages: 12
Recorded: 07/30/2009
Attorney Dkt #:A0904.70002US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
07/17/2009
2
KNOPF, JOHN
Exec Dt:
07/21/2009
3
PEARSALL, ROBERT S.
Exec Dt:
07/22/2009
4
GRINBERG, ASYA
Exec Dt:
07/21/2009
5
KUMAR, RAVINDRA
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8642031
US20090304691
12467170
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVENUE
WOLF GREENFIELD & SACKS P.C.
BOSTON, MA 02210-2206
Assignment: 14
Reel/Frame:031957/0813   Pages: 12
Recorded: 01/14/2014
Attorney Dkt #:A0904.70002US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
07/17/2009
2
KNOPF, JOHN
Exec Dt:
07/21/2009
3
PEARSALL, ROBERT S
Exec Dt:
07/22/2009
4
GRINBERG, ASYA
Exec Dt:
07/21/2009
5
KUMAR, RAVINDRA
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9452197
US20140227254
14142094
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 15
Reel/Frame:039862/0027   Pages: 12
Recorded: 09/27/2016
Attorney Dkt #:A0904.70002US03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
07/17/2009
2
KNOPF, JOHN
Exec Dt:
07/21/2009
3
PEARSALL, ROBERT S.
Exec Dt:
07/22/2009
4
GRINBERG, ASYA
Exec Dt:
07/21/2009
5
KUMAR, RAVINDRA
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170137503
15245838
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 16
Reel/Frame:023010/0796   Pages: 4
Recorded: 07/27/2009
Attorney Dkt #:PHPH-035-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
07/21/2009
2
SEEHRA, JASBIR
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8128933
US20090311252
12387788
Correspondence name and address
ROPES & GRAY LLP
ONE INTERNATIONAL PLACE
39TH FL
BOSTON, MA 02110
Assignment: 17
Reel/Frame:028017/0234   Pages: 4
Recorded: 04/10/2012
Attorney Dkt #:PHPH-035-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
07/21/2009
2
SEEHRA, JASBIR
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8486403
US20120128668
13357264
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 18
Reel/Frame:030976/0870   Pages: 4
Recorded: 08/09/2013
Attorney Dkt #:PHPH-035-103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
07/21/2009
2
SEEHRA, JASBIR
Exec Dt:
07/22/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9480742
US20130295089
13939976
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 19
Reel/Frame:023102/0486   Pages: 4
Recorded: 08/14/2009
Attorney Dkt #:PHPH-037-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHERMAN, MATTHEW L.
Exec Dt:
08/03/2009
2
BORGSTEIN, NIELS
Exec Dt:
08/10/2009
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100015144
12459202
Correspondence name and address
ROPES & GRAY LLP
ONE INTERNATIONAL PLACE
39TH FL
BOSTON, MA 02110
Assignment: 20
Reel/Frame:023102/0502   Pages: 4
Recorded: 08/14/2009
Attorney Dkt #:PHPH-048-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHERMAN, MATTHEW L.
Exec Dt:
08/03/2009
2
BORGSTEIN, NIELS
Exec Dt:
08/10/2009
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100008918
12459205
Correspondence name and address
ROPES & GRAY LLP
ONE INTERNATIONAL PLACE
39TH FL
BOSTON, MA 02110
Assignment: 21
Reel/Frame:023331/0370   Pages: 5
Recorded: 10/06/2009
Attorney Dkt #:PHPH-049-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHERMAN, MATTHEW L.
Exec Dt:
08/26/2009
2
SEEHRA, JASBIR
Exec Dt:
09/01/2009
3
BORGSTEIN, NIELS
Exec Dt:
09/02/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100028332
12459204
Correspondence name and address
ROPES & GRAY LL
ONE INTERNATIONAL PLACE
39TH FL
BOSTON, MA 02110
Assignment: 22
Reel/Frame:026815/0650   Pages: 4
Recorded: 08/26/2011
Attorney Dkt #:PHPH-049-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHERMAN, MATTHEW L.
Exec Dt:
08/26/2009
2
SEEHRA, JASBIR
Exec Dt:
09/01/2009
3
BORGSTEIN, NIELS
Exec Dt:
09/02/2009
Assignee
1
ACCELERON PHARMA, INC.
149 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120003218
13218264
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 23
Reel/Frame:027462/0018   Pages: 4
Recorded: 12/30/2011
Attorney Dkt #:PHPH-040-103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
10/07/2009
2
PEARSALL, ROBERT SCOTT
Exec Dt:
10/07/2009
3
KUMAR, RAVINDRA
Exec Dt:
10/07/2009
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8361957
US20120015877
13247748
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 24
Reel/Frame:025432/0600   Pages: 5
Recorded: 11/30/2010
Attorney Dkt #:PHPH-053-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
11/10/2010
2
KNOPF, JOHN
Exec Dt:
11/19/2010
3
ATTIE, KENNETH M.
Exec Dt:
11/15/2010
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110070233
12878988
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER, 800 BOYLSTON STREET
IPRM DOCKETING - FLOOR 43
BOSTON, MA 02199
Assignment: 25
Reel/Frame:033840/0922   Pages: 4
Recorded: 09/29/2014
Attorney Dkt #:PHPH-026-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
03/18/2011
2
KNOPF, JOHN
Exec Dt:
03/18/2011
3
KUMAR, RAVINDRA
Exec Dt:
03/14/2011
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150010555
14261212
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET, PRUDENTIAL TOWER
IPRM DOCKETING FLOOR 43
BOSTON, MA 02199
Assignment: 26
Reel/Frame:028700/0122   Pages: 4
Recorded: 08/01/2012
Attorney Dkt #:PHPH-025-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
07/19/2012
2
SEEHRA, JASBIR
Exec Dt:
07/18/2012
3
KUMAR, RAVINDRA
Exec Dt:
07/23/2012
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9572865
US20130004489
13460342
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER- 800 BOYLSTON STREET
IPRM DOCKETING - 43RD FLOOR
BOSTON, MA 02199
Assignment: 27
Reel/Frame:029553/0985   Pages: 5
Recorded: 01/02/2013
Attorney Dkt #:PHPH-063-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
08/13/2012
2
KNOPF, JOHN
Exec Dt:
08/08/2012
3
KUMAR, RAVINDRA
Exec Dt:
08/13/2012
4
VOGAN, ERIK
Exec Dt:
09/17/2012
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8883982
US20130084291
13492685
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET, PRUDENTIAL TOWER
IPRM DOCKETING FLOOR 43
BOSTON, MA 02199
Assignment: 28
Reel/Frame:034135/0939   Pages: 5
Recorded: 11/10/2014
Attorney Dkt #:PHPH-063-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEEHRA, JASBIR
Exec Dt:
08/13/2012
2
KNOPF, JOHN
Exec Dt:
08/08/2012
3
KUMAR, RAVINDRA
Exec Dt:
08/13/2012
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150183849
14536001
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET, PRUDENTIAL TOWER
IPRM DOCKETING FLOOR 43
BOSTON, MA 02199
Assignment: 29
Reel/Frame:034136/0242   Pages: 5
Recorded: 11/10/2014
Attorney Dkt #:PHPH-063-102-KUMAR
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VOGAN, ERIK
Exec Dt:
09/17/2012
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150183849
14536001
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET, PRUDENTIAL TOWER
IPRM DOCKETING FLOOR 43
BOSTON, MA 02199
Assignment: 30
Reel/Frame:034307/0206   Pages: 7
Recorded: 11/20/2014
Attorney Dkt #:PHPH-063-102-VOGAN
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT SERIAL NUMBER 13/492,685 TO READ 14/536,001 PREVIOUSLY RECORDED AT REEL: 034136 FRAME: 0242. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor
1
VOGAN, ERIK
Exec Dt:
09/17/2012
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150183849
14536001
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET, PRUDENTIAL TOWER
IPRM DOCKETING FLOOR 43
BOSTON, MA 02199
Assignment: 31
Reel/Frame:030803/0549   Pages: 6
Recorded: 07/16/2013
Attorney Dkt #:PHPH-062-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMAR, RAVINDRA
Exec Dt:
06/11/2013
2
VENKATA SAI RAJASEKHAR SURAGANI, NAGA
Exec Dt:
06/25/2013
3
KNOPF, JOHN
Exec Dt:
06/19/2013
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9809636
US20130281371
13827477
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 32
Reel/Frame:031853/0559   Pages: 10
Recorded: 12/27/2013
Attorney Dkt #:A0904.70007US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
12/06/2013
2
KUMAR, RAVINDRA
Exec Dt:
12/13/2013
3
PEARSALL, ROBERT S.
Exec Dt:
12/18/2013
4
SHERMAN, MATTHEW L.
Exec Dt:
12/03/2013
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140193425
14046195
Correspondence name and address
O. TOBIAS BRAMBRINK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 33
Reel/Frame:034426/0982   Pages: 5
Recorded: 12/08/2014
Attorney Dkt #:PHPH-P05-005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOPF, JOHN
Exec Dt:
09/30/2014
2
SEEHRA, JASBIR
Exec Dt:
11/18/2014
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9045553
US20130209462
13774585
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 34
Reel/Frame:034639/0531   Pages: 10
Recorded: 01/06/2015
Attorney Dkt #:A0904.70009US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
11/07/2014
2
CASTONGUAY, ROSELYNE
Exec Dt:
11/14/2014
3
WERNER, ERIC
Exec Dt:
11/19/2014
4
KUMAR, RAVINDRA
Exec Dt:
11/13/2014
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150202260
14522891
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 35
Reel/Frame:050989/0559   Pages: 10
Recorded: 11/13/2019
Attorney Dkt #:A0904.70009US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
11/07/2014
2
CASTONGUAY, ROSELYNE
Exec Dt:
11/14/2014
3
WERNER, ERIC
Exec Dt:
11/19/2014
4
KUMAR, RAVINDRA
Exec Dt:
11/13/2014
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11590201
US20200164029
16561991
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 36
Reel/Frame:034223/0399   Pages: 7
Recorded: 11/20/2014
Attorney Dkt #:PHPH-071-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMAR, RAVINDRA
Exec Dt:
11/12/2014
2
GRINBERG, ASYA
Exec Dt:
11/07/2014
3
SAKO, DIANNE S.
Exec Dt:
10/16/2014
4
CASTONGUAY, ROSELYNE
Exec Dt:
10/17/2014
5
STEEVES, RITA
Exec Dt:
10/16/2014
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150056199
14465182
Correspondence name and address
ROPES & GRAY LLP
800 BOYLSTON STREET
PRUDENTIAL TOWER
BOSTON, MA 02199-3600
Assignment: 37
Reel/Frame:037137/0722   Pages: 4
Recorded: 11/25/2015
Attorney Dkt #:A0904.70010US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALIMZHANOV, MARAT B.
Exec Dt:
05/26/2015
2
PANDYA, SHUCHI SUMANT
Exec Dt:
05/22/2015
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170152490
14671064
Correspondence name and address
ROQUE EL-HAYEK
600 ATLANTIC AVE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 38
Reel/Frame:044786/0215   Pages: 13
Recorded: 01/31/2018
Attorney Dkt #:A0904.70006US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRINBERG, ASYA
Exec Dt:
01/06/2018
2
CASTONGUAY, ROSELYNE
Exec Dt:
01/23/2018
3
WERNER, ERIC
Exec Dt:
01/11/2018
4
KUMAR, RAVINDRA
Exec Dt:
01/10/2018
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9932386
US20150307588
14112620
Correspondence name and address
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 39
Reel/Frame:049267/0883   Pages: 13
Recorded: 05/23/2019
Attorney Dkt #:A0904.70006US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CASTONGUAY, ROSELYNE
Exec Dt:
01/23/2018
2
GRINBERG, ASYA
Exec Dt:
01/06/2018
3
WERNER, ERIC
Exec Dt:
01/11/2018
4
KUMAR, RAVINDRA
Exec Dt:
01/10/2018
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10981972
US20180258156
15908644
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 40
Reel/Frame:057106/0252   Pages: 13
Recorded: 08/06/2021
Attorney Dkt #:A0904.70006US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CASTONGUAY, ROSELYNE
Exec Dt:
01/23/2018
2
GRINBERG, ASYA
Exec Dt:
01/06/2018
3
WERNER, ERIC
Exec Dt:
01/11/2018
4
KUMAR, RAVINDRA
Exec Dt:
01/10/2018
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210300991
17205573
Correspondence name and address
ROQUE EL-HAYEK
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210-2211
Assignment: 41
Reel/Frame:047055/0046   Pages: 6
Recorded: 10/03/2018
Attorney Dkt #:A0904.70011US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMAR, RAVINDRA
Exec Dt:
09/24/2018
2
KNOPF, JOHN
Exec Dt:
09/17/2018
Assignee
1
ACCELERON PHARMA, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180086806
15480275
Correspondence name and address
ROQUE EL-HAYEK
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210

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