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Patent Assignment Assignor Details
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Assignor Name : WASHBURN, NATHANIEL
Total Assignments: 17
Assignment: 1
Reel/Frame:022721/0085   Pages: 5
Recorded: 05/21/2009
Attorney Dkt #:2007774-0042
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
04/17/2009
2
MURPHY, JENNIFER
Exec Dt:
04/29/2009
3
SARVAIYA, HETAL
Exec Dt:
04/17/2009
4
WASHBURN, NATHANIEL
Exec Dt:
05/01/2009
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8586356
US20110045496
12529109
Correspondence name and address
BRENDA HERSCHBACH JARRELL
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 2
Reel/Frame:023466/0959   Pages: 10
Recorded: 11/04/2009
Attorney Dkt #:2007774-0044
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS
Exec Dt:
09/18/2009
2
MURPHY, JENNIFER
Exec Dt:
09/18/2009
3
SARVAIYA, HETAL
Exec Dt:
09/18/2009
4
WASHBURN, NATHANIEL
Exec Dt:
09/23/2009
5
LIU, CUIHUA
Exec Dt:
09/18/2009
6
XU, XIAO-JIM
Exec Dt:
10/09/2009
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8586356
US20110045496
12529109
Correspondence name and address
CHOATE, HALL & STEWART LLP
2 INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 3
Reel/Frame:023502/0449   Pages: 12
Recorded: 11/11/2009
Attorney Dkt #:2007774-0044
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE XIAO-JIM XU PREVIOUSLY RECORDED ON REEL 023466 FRAME 0959. ASSIGNOR(S) HEREBY CONFIRMS THE XIAO-JIN XU.
Assignors
1
BOSQUES, CARLOS
Exec Dt:
09/18/2009
2
MURPHY, JENNIFER
Exec Dt:
09/18/2009
3
SARVAIYA, HETAL
Exec Dt:
09/18/2009
4
WASHBURN, NATHANIEL
Exec Dt:
09/23/2009
5
LIU, CUIHUA
Exec Dt:
09/18/2009
6
XU, XIAO-JIN
Exec Dt:
10/09/2009
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8586356
US20110045496
12529109
Correspondence name and address
CHOATE HALL & STEWART LLP
2 INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 4
Reel/Frame:028731/0098   Pages: 7
Recorded: 08/06/2012
Attorney Dkt #:M2050-706410
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL
Exec Dt:
06/05/2012
2
AREVALO, ENRIQUE
Exec Dt:
06/01/2012
3
MILLEA, KEVIN
Exec Dt:
06/28/2012
4
BOSQUES, CARLOS J.
Exec Dt:
06/04/2012
5
DUFFNER, JAY
Exec Dt:
07/03/2012
6
COLLINS, BRIAN EDWARD
Exec Dt:
05/30/2012
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9170249
US20120295273
13417895
Correspondence name and address
LANDO & ANASTASI LLP
RIVERFRONT OFFICE PARK
ONE MAIN STREET
CAMBRIDGE, MA 02142
Assignment: 5
Reel/Frame:036617/0527   Pages: 7
Recorded: 09/22/2015
Attorney Dkt #:M2050-706420
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL
Exec Dt:
06/05/2012
2
AREVALO, ENRIQUE
Exec Dt:
06/01/2012
3
MILLEA, KEVIN
Exec Dt:
06/28/2012
4
BOSQUES, CARLOS J.
Exec Dt:
06/04/2012
5
DUFFNER, JAY
Exec Dt:
07/03/2012
6
COLLINS, BRIAN EDWARD
Exec Dt:
05/30/2012
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9890410
US20160060675
14848768
Correspondence name and address
LANDO & ANASTASI LLP
RIVERFRONT OFFICE PARK
ONE MAIN STREET
CAMBRIDGE, MA 02142
Assignment: 6
Reel/Frame:031857/0337   Pages: 12
Recorded: 12/30/2013
Attorney Dkt #:2007774-0160 (M0059USCON)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
12/10/2013
2
MURPHY, JENNIFER
Exec Dt:
12/05/2013
3
SARVAIYA, HETAL
Exec Dt:
12/04/2013
4
WASHBURN, NATHANIEL
Exec Dt:
11/19/2013
5
LIU, CUIHUA
Exec Dt:
12/12/2013
6
XU, XIAO-JIN
Exec Dt:
12/04/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140045212
14056674
Correspondence name and address
ROLANDO MEDINA
CHOATE, HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 7
Reel/Frame:033920/0076   Pages: 14
Recorded: 10/09/2014
Attorney Dkt #:2010403-0022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL
Exec Dt:
11/19/2013
2
MEADOR, JAMES, III
Exec Dt:
11/08/2013
3
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
4
BULIK, DOROTA A.
Exec Dt:
11/07/2013
5
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
6
BROWN, JULIA
Exec Dt:
11/21/2013
7
MARKOWITZ, LYNN
Exec Dt:
11/21/2013
8
PRABBHAKAR, SATHYA
Exec Dt:
10/05/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9663581
US20150299331
14396420
Correspondence name and address
CHOATE, HALL & STEWART, LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 8
Reel/Frame:034018/0392   Pages: 14
Recorded: 10/23/2014
Attorney Dkt #:2010403-0043
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL
Exec Dt:
11/19/2013
2
MEADOR, JAMES, III
Exec Dt:
11/08/2013
3
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
4
BULIK, DOROTA A.
Exec Dt:
11/07/2013
5
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
6
BROWN, JULIA
Exec Dt:
11/21/2013
7
MARKOWITZ, LYNN
Exec Dt:
11/21/2013
8
PRABBHAKAR, SATHYA
Exec Dt:
10/05/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9663581
US20150299331
14396420
Correspondence name and address
CHOATE HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 9
Reel/Frame:036990/0170   Pages: 12
Recorded: 11/09/2015
Attorney Dkt #:2007774-0199
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
12/10/2013
2
MURPHY, JENNIFER
Exec Dt:
12/05/2013
3
SARVAIYA, HETAL
Exec Dt:
12/04/2013
4
WASHBURN, NATHANIEL
Exec Dt:
11/19/2013
5
LIU, CUIHUA
Exec Dt:
12/12/2013
6
XU, XIAO-JIN
Exec Dt:
12/04/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10023894
US20160053292
14832784
Correspondence name and address
CHOATE HALL & STEWART LLP-PATENT DOCKET
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 10
Reel/Frame:042143/0060   Pages: 14
Recorded: 04/25/2017
Attorney Dkt #:2010403-0495
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL
Exec Dt:
11/19/2013
2
MEADOR, JAMES, III
Exec Dt:
11/08/2013
3
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
4
BULIK, DOROTA A.
Exec Dt:
11/07/2013
5
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
6
BROWN, JULIA
Exec Dt:
11/21/2013
7
MARKOWITZ, LYNN
Exec Dt:
11/21/2013
8
PRABBHAKAR, SATHYA
Exec Dt:
10/05/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10377832
US20170349662
15497057
Correspondence name and address
CHOATE, HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 11
Reel/Frame:044130/0010   Pages: 12
Recorded: 11/15/2017
Attorney Dkt #:14131-0143US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BHATNAGAR, NAVEEN
Exec Dt:
07/15/2014
2
MECCARIELLO, ROBIN
Exec Dt:
09/29/2014
3
LANSING, JONATHAN C.
Exec Dt:
07/15/2014
4
ORTIZ, DANIEL
Exec Dt:
07/25/2014
5
SARVAIYA, HETAL
Exec Dt:
07/02/2014
6
WASHBURN, NATHANIEL
Exec Dt:
07/15/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160108450
14787403
Correspondence name and address
CAMBRIA J. ALPHA-COBB
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 12
Reel/Frame:046230/0285   Pages: 12
Recorded: 06/28/2018
Attorney Dkt #:14131-0143002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BHATNAGAR, NAVEEN
Exec Dt:
07/15/2014
2
MECCARIELLO, ROBIN
Exec Dt:
09/29/2014
3
LANSING, JONATHAN C.
Exec Dt:
07/15/2014
4
ORTIZ, DANIEL
Exec Dt:
07/25/2014
5
SARVAIYA, HETAL
Exec Dt:
07/02/2014
6
WASHBURN, NATHANIEL
Exec Dt:
07/15/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180305725
15954146
Correspondence name and address
DONATO ACETO
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 13
Reel/Frame:035832/0761   Pages: 10
Recorded: 06/05/2015
Attorney Dkt #:50937-003002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLLINS, BRIAN
Exec Dt:
05/20/2015
2
ROBBLEE, JOHN
Exec Dt:
05/15/2015
3
WASHBURN, NATHANIEL
Exec Dt:
05/15/2015
4
YIN, YAN
Exec Dt:
05/15/2015
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150275266
14668764
Correspondence name and address
CLARK & ELBING LLP
101 FEDERAL STREET
15TH FLOOR
BOSTON, MA 02110
Assignment: 14
Reel/Frame:051374/0453   Pages: 14
Recorded: 12/27/2019
Attorney Dkt #:14131-0167002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLLINS, BRIAN
Exec Dt:
05/20/2015
2
ROBBLEE, JOHN
Exec Dt:
05/15/2015
3
WASHBURN, NATHANIEL
Exec Dt:
05/15/2015
4
YIN, YAN
Exec Dt:
05/15/2015
5
AREVALO, ENRIQUE
Exec Dt:
07/01/2015
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200109432
16505333
Correspondence name and address
ANITA L. MEIKLEJOHN
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 15
Reel/Frame:040252/0164   Pages: 18
Recorded: 11/08/2016
Attorney Dkt #:50937-006002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARVAIYA, HETAL
Exec Dt:
10/05/2016
2
WASHBURN, NATHANIEL
Exec Dt:
10/13/2016
3
AREVALO, ENRIQUE
Exec Dt:
09/28/2016
4
BOSQUES, CARLOS J.
Exec Dt:
08/25/2016
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150210753
14416869
Correspondence name and address
CLARK & ELBING LLP
101 FEDERAL STREET
15TH FLOOR
BOSTON, MA 02110
Assignment: 16
Reel/Frame:048276/0536   Pages: 9
Recorded: 02/08/2019
Attorney Dkt #:14131-0156US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LING, LEONA E.
Exec Dt:
08/25/2016
2
ROY, SUCHARITA
Exec Dt:
09/19/2016
3
WASHBURN, NATHANIEL
Exec Dt:
10/13/2016
4
HILLSON, JAN
Exec Dt:
10/06/2016
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11345751
US20210238275
16321801
Correspondence name and address
DONATO ACETO
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 17
Reel/Frame:059758/0329   Pages: 20
Recorded: 04/28/2022
Attorney Dkt #:258199.000211
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONA E. LING
Exec Dt:
08/25/2016
2
ROY, SUCHARITA
Exec Dt:
09/19/2016
3
WASHBURN, NATHANIEL
Exec Dt:
10/13/2016
4
KEHRY, MARILYN
Exec Dt:
07/19/2017
5
KING, DAVID J.
Exec Dt:
07/12/2017
6
MANNING, ANTHONY
Exec Dt:
11/03/2016
7
MEADOR, JAMES, III
Exec Dt:
09/20/2016
8
HILLSON, JAN
Exec Dt:
10/06/2016
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
1125 TRENTON-HARBOURTON ROAD
TITUSVILLE, NEW JERSEY 08560
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230049725
17661070
Correspondence name and address
DANIEL M. SCOLNICK
TROUTMAN PEPPER HAMILTON SANDERS LLP
400 BERWYN PARK, 899 CASSATT ROAD
BERWYN, PA 19312

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