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Patent Assignment Assignor Details
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Assignor Name : BURAK, ERIC S.
Total Assignments: 14
Assignment: 1
Reel/Frame:008563/0584   Pages: 3
Recorded: 06/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAMILTON, GREGORY S.
Exec Dt:
03/03/1997
2
STEINER, JOSEPH P.
Exec Dt:
03/03/1997
3
BURAK, ERIC S.
Exec Dt:
03/03/1997
Assignee
1
GUILFORD PHARMACEUTICALS, INC.
6611 TRIBUTARY STREET
BALTIMORE, MARYLAND 21224
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5846979
NONE
08807406
Correspondence name and address
NATH & ASSOCIATES
GARY M. NATH
1835 K STREET, N.W.
SUITE 750
WASHINGTON, D.C. 20006-1203
Assignment: 2
Reel/Frame:016607/0298   Pages: 4
Recorded: 04/29/2005
Attorney Dkt #:006050.00067
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINGARD, PEGGY
Exec Dt:
11/08/2004
2
BURAK, ERIC S.
Exec Dt:
11/22/2004
3
GIBIANSKY, EKATERINA
Exec Dt:
11/16/2004
4
VORNOV, JAMES J.
Exec Dt:
11/16/2004
Assignee
1
GUILFORD PHARMACEUTICALS, INC.
6611 TRIBUTARY STREET
BALTIMORE, MARYLAND 21224
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050203068
10509627
Correspondence name and address
PAUL M. RIVARD
BANNER & WITCOFF, LTD.
1001 G STREET, N.W., 11TH FLOOR
WASHINGTON, DC 20001-4597
Assignment: 3
Reel/Frame:029913/0211   Pages: 4
Recorded: 03/04/2013
Attorney Dkt #:26505-568N01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
11/10/2010
2
BURAK, ERIC S.
Exec Dt:
12/22/2010
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET, SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120208857
13501220
Correspondence name and address
IVOR R. ELRIFI, PH.D.
ONE FINANCIAL CENTER
MINTZ, LEVIN P.C.
BOSTON, MA 02111
Assignment: 4
Reel/Frame:038904/0242   Pages: 4
Recorded: 06/14/2016
Attorney Dkt #:2202503.00147US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
11/10/2010
2
BURAK, ERIC S.
Exec Dt:
12/22/2010
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET, SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150165040
14630584
Correspondence name and address
DIANA RUIZ
60 STATE STREET
WILMERHALE
BOSTON, MA 02109
Assignment: 5
Reel/Frame:027271/0872   Pages: 22
Recorded: 11/22/2011
Attorney Dkt #:2202503.124 US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
10/24/2011
2
BURAK, ERIC S.
Exec Dt:
11/16/2011
3
DRESBACK, DAVID S.
Exec Dt:
10/24/2011
4
LORD, DANIELLE B.
Exec Dt:
10/20/2011
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120065186
13105513
Correspondence name and address
ANDREJ BARBIC, PH.D.
60 STATE STREET
WILMER CUTLER PICKERING HALE AND DORR
BOSTON, MA 02109
Assignment: 6
Reel/Frame:041155/0187   Pages: 22
Recorded: 02/02/2017
Attorney Dkt #:2202503.124 US4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
10/24/2011
2
BURAK, ERIC S.
Exec Dt:
11/16/2011
3
DRESBACK, DAVID S.
Exec Dt:
10/24/2011
4
LORD, DANIELLE B.
Exec Dt:
10/20/2011
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160235736
15042886
Correspondence name and address
WILMERHALE
7 WORLD TRADE CENTER
250 GREENWICH STREET
NEW YORK, NY 10007
Assignment: 7
Reel/Frame:050947/0161   Pages: 22
Recorded: 11/07/2019
Attorney Dkt #:2202503.124 US5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
10/24/2011
2
BURAK, ERIC S.
Exec Dt:
11/16/2011
3
DRESBACK, DAVID S.
Exec Dt:
10/24/2011
4
LORD, DANIELLE B.
Exec Dt:
10/20/2011
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12138257
US20200022971
16425580
Correspondence name and address
WILMERHALE
7 WORLD TRADE CENTER
250 GREENWICH STREET
NEW YORK, NY 10007
Assignment: 8
Reel/Frame:071946/0597   Pages: 22
Recorded: 08/06/2025
Attorney Dkt #:2202503.124 US7
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, DANPING
Exec Dt:
10/24/2011
2
BURAK, ERIC S.
Exec Dt:
11/16/2011
3
DRESBACK, DAVID S.
Exec Dt:
10/24/2011
4
LORD, DANIELLE B.
Exec Dt:
10/20/2011
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240307368
18488397
Correspondence name and address
ALICE CASTRO
7 WORLD TRADE CENTER
NEW YORK, NY 10007
Assignment: 9
Reel/Frame:030260/0929   Pages: 6
Recorded: 04/22/2013
Attorney Dkt #:26505-537001WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURAK, ERIC S.
Exec Dt:
01/17/2012
2
LI, DANPING
Exec Dt:
01/12/2012
3
DRESBACK, DAVID S.
Exec Dt:
01/25/2012
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9409896
US20140094463
13882698
Correspondence name and address
IVOR R. ELRIFI, PH.D.
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 10
Reel/Frame:030495/0267   Pages: 6
Recorded: 05/28/2013
Attorney Dkt #:26505-537N01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURAK, ERIC S.
Exec Dt:
01/17/2012
2
LI, DANPING
Exec Dt:
01/12/2012
3
DRESBACK, DAVID S.
Exec Dt:
01/25/2012
Assignee
1
RIB-X PHARMACEUTICALS, INC.
300 GEORGE STREET
SUITE 301
NEW HAVEN, CONNECTICUT 06511
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9409896
US20140094463
13882698
Correspondence name and address
IVOR R. ELRIFI, PH.D.
ONE FINANCIAL CENTER
MINTZ LEVIN P.C.
BOSTON, MA 02111
Assignment: 11
Reel/Frame:067619/0308   Pages: 6
Recorded: 06/04/2024
Attorney Dkt #:FPI-005USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURAK, ERIC S.
Exec Dt:
06/16/2020
2
METCALF, JULIE
Exec Dt:
06/17/2020
3
GRINSHTEIN, NATALIE
Exec Dt:
06/19/2020
4
HU, MEIDUO
Exec Dt:
06/17/2020
5
VALLIANT, JOHN F.
Exec Dt:
06/18/2020
Assignee
1
FUSION PHARMACEUTICALS INC.
270 LONGWOOD ROAD SOUTH
HAMILTON, ONTARIO, CANADA L8P 0A6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230270895
17819911
Correspondence name and address
MRS. DAWN GRIMES-GRIFFIN
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
BOSTON, MA 02210
Assignment: 12
Reel/Frame:055767/0318   Pages: 11
Recorded: 03/30/2021
Attorney Dkt #:FPI-008WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAHONEY, STUART J.
Exec Dt:
02/03/2021
2
JOHANSEN, MICHAEL B.
Exec Dt:
02/05/2021
3
MORAN, MATTHEW D.
Exec Dt:
02/03/2021
4
CHASSÉ, MELISSA
Exec Dt:
02/03/2021
5
SIMMS, RYAN W.
Exec Dt:
02/06/2021
6
BURAK, ERIC S.
Exec Dt:
02/03/2021
7
VALLIANT, JOHN F.
Exec Dt:
02/05/2021
Assignee
1
FUSION PHARMACEUTICALS INC.
270 LONGWOOD ROAD SOUTH
HAMILTON, ONTARIO, CANADA L8P 0A6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210395281
17272129
Correspondence name and address
KRISTINA BIEKER
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
BOSTON, MA 02210
Assignment: 13
Reel/Frame:059937/0585   Pages: 6
Recorded: 05/17/2022
Attorney Dkt #:FPI-020WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FORBES, JOHN R.
Exec Dt:
05/04/2022
2
SIMMS, RYAN W.
Exec Dt:
05/05/2022
3
BURAK, ERIC S.
Exec Dt:
05/04/2022
Assignee
1
FUSION PHARMACEUTICALS INC.
270 LONGWOOD ROAD SOUTH
HAMILTON, CANADA L8P 0A6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240165280
17777850
Correspondence name and address
KRISTINA BIEKER
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
BOSTON, MA 02210
Assignment: 14
Reel/Frame:067243/0706   Pages: 5
Recorded: 04/26/2024
Attorney Dkt #:FPI-032WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURAK, ERIC S.
Exec Dt:
11/21/2022
2
O'LEARY, JAMES
Exec Dt:
11/11/2022
3
RHODEN, JOHN
Exec Dt:
11/07/2022
Assignee
1
FUSION PHARMACEUTICALS INC.
270 LONGWOOD ROAD SOUTH
HAMILTON, CANADA L8P 0A6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250001019
18703995
Correspondence name and address
GOODWIN PROCTER LLP
100 NORTHERN AVENUE
BOSTON, MA 02210

Search Results as of: 08/22/2025 10:27 AM
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