skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : WASHBURN, NATHANIEL J.
Total Assignments: 15
Assignment: 1
Reel/Frame:022256/0007   Pages: 5
Recorded: 02/13/2009
Attorney Dkt #:2007774-0026
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
02/02/2009
2
WASHBURN, NATHANIEL J.
Exec Dt:
01/30/2009
3
ZHU, XIANGPING
Exec Dt:
01/12/2009
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8043863
US20100133430
12595894
Correspondence name and address
BRENDA HERSCHBACH JARRELL
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 2
Reel/Frame:025846/0208   Pages: 8
Recorded: 02/23/2011
Attorney Dkt #:2007774-0096
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
02/09/2011
2
LIU, CUIHUA
Exec Dt:
02/01/2011
3
MURPHY, JENNIFER
Exec Dt:
02/01/2011
4
WASHBURN, NATHANIEL J.
Exec Dt:
02/01/2011
5
XU, XIAO-JIN
Exec Dt:
02/01/2011
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110136682
12959811
Correspondence name and address
CHOATE HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 3
Reel/Frame:031753/0574   Pages: 11
Recorded: 12/10/2013
Attorney Dkt #:2010403-0009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULIK, DOROTA A.
Exec Dt:
11/07/2013
2
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
3
COLLINS, BRIAN EDWARD
Exec Dt:
10/28/2013
4
HAINS, MAURICE GASTON
Exec Dt:
11/06/2013
5
WASHBURN, NATHANIEL J.
Exec Dt:
11/19/2013
6
MEADOR, JAMES
Exec Dt:
11/08/2013
7
SMITH, SEAN
Exec Dt:
11/14/2013
8
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9650433
US20140112910
14118269
Correspondence name and address
ROLANDO MEDINA
CHOATE, HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 4
Reel/Frame:031857/0702   Pages: 11
Recorded: 12/30/2013
Attorney Dkt #:2010403-0028
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULIK, DOROTA A.
Exec Dt:
11/07/2013
2
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
3
COLLINS, BRIAN EDWARD
Exec Dt:
10/28/2013
4
HAINS, MAURICE GASTON
Exec Dt:
11/06/2013
5
WASHBURN, NATHANIEL J.
Exec Dt:
11/19/2013
6
MEADOR, JAMES
Exec Dt:
11/08/2013
7
SMITH, SEAN
Exec Dt:
11/14/2013
8
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9650433
US20140112910
14118269
Correspondence name and address
ROLANDO MEDINA
CHOATE, HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 5
Reel/Frame:043955/0166   Pages: 11
Recorded: 10/26/2017
Attorney Dkt #:2010403-0493
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BULIK, DOROTA A.
Exec Dt:
11/07/2013
2
BOSQUES, CARLOS J.
Exec Dt:
11/08/2013
3
COLLINS, BRIAN EDWARD
Exec Dt:
10/28/2013
4
HAINS, MAURICE GASTON
Exec Dt:
11/06/2013
5
WASHBURN, NATHANIEL J.
Exec Dt:
11/19/2013
6
MEADOR, JAMES
Exec Dt:
11/08/2013
7
SMITH, SEAN
Exec Dt:
11/14/2013
8
BHATNAGAR, NAVEEN
Exec Dt:
11/19/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10377809
US20170247426
15483545
Correspondence name and address
CHOATE HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 6
Reel/Frame:032496/0269   Pages: 12
Recorded: 03/21/2014
Attorney Dkt #:2010403-0027 (M0102PCT)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL J.
Exec Dt:
03/07/2014
2
LANSING, JONATHAN C.
Exec Dt:
02/20/2014
3
BOSQUES, CARLOS J.
Exec Dt:
12/10/2013
4
BHATNAGAR, NAVEEN
Exec Dt:
12/12/2013
5
BULIK, DOROTA A.
Exec Dt:
12/10/2013
6
MARKOWITZ, LYNN
Exec Dt:
12/10/2013
7
SIPSEY, SANDRA
Exec Dt:
12/10/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150252108
14431217
Correspondence name and address
ROLANDO MEDINA
CHOATE, HALL & STEWART LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 7
Reel/Frame:035255/0976   Pages: 12
Recorded: 03/25/2015
Attorney Dkt #:2010403-0050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WASHBURN, NATHANIEL J.
Exec Dt:
03/07/2014
2
LANSING, JONATHAN C.
Exec Dt:
02/20/2014
3
BOSQUES, CARLOS J.
Exec Dt:
12/10/2013
4
BHATNAGAR, NAVEEN
Exec Dt:
12/12/2013
5
BULIK, DOROTA A.
Exec Dt:
12/10/2013
6
MARKOWITZ, LYNN
Exec Dt:
12/10/2013
7
SIPSEY, SANDRA
Exec Dt:
12/10/2013
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
675 WEST KENDALL STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150252108
14431217
Correspondence name and address
CHOATE/MOMENTA PHARMACEUTICALS, INC
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 8
Reel/Frame:051637/0650   Pages: 12
Recorded: 01/28/2020
Attorney Dkt #:14131-0143003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BHATNAGAR, NAVEEN
Exec Dt:
07/15/2014
2
MECCARIELLO, ROBIN
Exec Dt:
09/24/2014
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 J.
Exec Dt:
07/15/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200032312
16589634
Correspondence name and address
ANITA L. MEIKLEJOHN
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 9
Reel/Frame:066146/0286   Pages: 12
Recorded: 01/17/2024
Attorney Dkt #:14131-0143009
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 J.
Exec Dt:
07/15/2014
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
1125 TRENTON-HARBOURTON ROAD
TITUSVILLE, NEW JERSEY 08560
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240167069
18218996
Correspondence name and address
ANITA L. MEIKLEJOHN
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 10
Reel/Frame:046230/0188   Pages: 10
Recorded: 06/28/2018
Attorney Dkt #:14131-0142002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARVAIYA, HETAL
Exec Dt:
10/05/2016
2
WASHBURN, NATHANIEL J.
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.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180305440
15957703
Correspondence name and address
DONATO ACETO
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 11
Reel/Frame:059616/0325   Pages: 10
Recorded: 04/15/2022
Attorney Dkt #:14131-0142003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SARVAIYA, HETAL
Exec Dt:
10/05/2016
2
WASHBURN, NATHANIEL J.
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.
1125 TRENTON-HARBOURTON ROAD
TITUSVILLE, NEW JERSEY 08560
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220056109
17508026
Correspondence name and address
KATIE HYMA
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 12
Reel/Frame:047551/0959   Pages: 4
Recorded: 11/20/2018
Attorney Dkt #:14131-0148WO2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WASHBURN, NATHANIEL J.
Exec Dt:
11/16/2018
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11155640
US20190284305
16303793
Correspondence name and address
DONATO ACETO
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 13
Reel/Frame:048276/0282   Pages: 4
Recorded: 02/08/2019
Attorney Dkt #:14131-0148US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WASHBURN, NATHANIEL J.
Exec Dt:
11/16/2018
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11155640
US20190284305
16303793
Correspondence name and address
DONATO ACETO
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 14
Reel/Frame:059888/0373   Pages: 17
Recorded: 05/11/2022
Attorney Dkt #:14131-0148003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSQUES, CARLOS J.
Exec Dt:
03/20/2017
2
LANSING, JONATHAN C.
Exec Dt:
03/21/2017
3
ORTIZ, DANIEL
Exec Dt:
03/23/2017
4
RUTITZKY, LAURA
Exec Dt:
03/13/2017
5
WASHBURN, NATHANIEL J.
Exec Dt:
11/16/2018
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
1125 TRENTON-HARBOURTON ROAD
TITUSVILLE, NEW JERSEY 08560
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220049019
17491677
Correspondence name and address
KATIE HYMA
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 15
Reel/Frame:056888/0105   Pages: 33
Recorded: 07/15/2021
Attorney Dkt #:258199.501 502 500
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, ZHONGLI
Exec Dt:
04/16/2021
2
SHIFRIN, MICHAEL
Exec Dt:
04/26/2021
3
WASHBURN, NATHANIEL J.
Exec Dt:
04/12/2021
4
LIWOSZ, ANETA
Exec Dt:
04/13/2021
5
KHAN, NASIR
Exec Dt:
04/08/2021
Assignee
1
MOMENTA PHARMACEUTICALS, INC.
301 BINNEY STREET
CAMBRIDGE, MASSACHUSETTS 02142
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20210340251
17260334
 
NONE
US20210340251
17260334
Correspondence name and address
DANIEL M. SCOLNICK
TROUTMAN PEPPER HAMILTON SANDERS LLP
400 BERWYN PARK, 899 CASSATT ROAD
BERWYN, PA 19312

Search Results as of: 06/18/2024 03:15 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT