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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 : IRONWOOD PHARMACEUTICALS, INC

Total Assignments: 11

Assignment: 1

Reel/Frame:	036184/0035			Pages:	8
		Recorded:	07/27/2015
Attorney Dkt #:	223355/057US1CON3/367920
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

FRETZEN, ANGELIKA

Exec Dt:

10/26/2009

2

WITOWSKI, STEVEN

Exec Dt:

10/05/2009

3

GROSSI, ALFREDO

Exec Dt:

10/05/2009

4

Exec Dt:

10/29/2009

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

14597599

Correspondence name and address
	KELLY T. MURPHY
	350 EAST MICHIGAN AVENUE
	SUITE 300
	KALAMAZOO, MI 49024

Assignment: 2

Reel/Frame:	031391/0309			Pages:	3
		Recorded:	10/11/2013
Attorney Dkt #:	2221.052A
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

1

Exec Dt:

12/13/2010

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

13819243

Correspondence name and address
	KELLIE S. FREDERICKS
	5 COLUMBIA CIRCLE
	HESLIN ROTHENBERG FARLEY & MESITI P.C.
	ALBANY, NY 12203

Assignment: 3

Reel/Frame:	036421/0951			Pages:	9
		Recorded:	08/26/2015
Attorney Dkt #:	223355/81PCT1US1C1/349174
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

JOHNSTON, JEFFREY

Exec Dt:

09/12/2013

2

FRETZEN, ANGELIKA

Exec Dt:

03/20/2013

3

WITOWSKI, STEVEN

Exec Dt:

11/09/2013

4

GROSSI, ALFREDO

Exec Dt:

08/07/2013

5

Exec Dt:

03/22/2013

6

LAVINS, BERNARD JOSEPH

Exec Dt:

10/07/2013

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

14138237

Correspondence name and address
	KELLY T. MURPHY
	350 EAST MICHIGAN AVENUE
	SUITE 300
	KALAMAZOO, MI 49007

Assignment: 4

Reel/Frame:	032158/0334			Pages:	10
		Recorded:	02/06/2014
Attorney Dkt #:	223355/076PCT1US1/328130
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

CURRIE, MARK G.

Exec Dt:

02/05/2014

2

ZIMMER, DANIEL P.

Exec Dt:

01/17/2014

3

FRETZEN, ANGELIKA

Exec Dt:

01/29/2014

4

Exec Dt:

01/23/2014

5

Exec Dt:

01/22/2014

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

13514158

Correspondence name and address
	KELLY T. MURPHY
	350 EAST MICHIGAN AVE.
	SUITE 3000
	KALAMAZOO, MI 49007-3800

Assignment: 5

Reel/Frame:	032172/0067			Pages:	9
		Recorded:	02/07/2014
Attorney Dkt #:	223355/083PCT1US1/348376
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

CURRIE, MARK G.

Exec Dt:

02/05/2014

2

ZIMMER, DANIEL P.

Exec Dt:

01/17/2014

3

FRETZEN, ANGELIKA

Exec Dt:

01/29/2014

4

Exec Dt:

01/23/2014

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

14116864

Correspondence name and address
	KELLY T. MURPHY
	350 EAST MICHIGAN AVE.
	SUITE 3000
	KALAMAZOO, MI 49007-3800

Assignment: 6

Reel/Frame:	048453/0596			Pages:	16
		Recorded:	02/27/2019
Attorney Dkt #:	127553-01609
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

Exec Dt:

06/03/2016

2

PERL, NICHOLAS ROBERT

Exec Dt:

06/06/2016

3

Exec Dt:

08/10/2016

4

LEE, THOMAS WAI-HO

Exec Dt:

06/10/2016

5

RENNIE, GLEN ROBERT

Exec Dt:

06/08/2016

6

RENHOWE, PAUL ALLAN

Exec Dt:

06/07/2016

7

BARDEN, TIMOTHY CLAUDE

Exec Dt:

08/10/2016

8

Exec Dt:

08/15/2016

9

SHEPPECK II, JAMES EDWARD

Exec Dt:

06/09/2016

10

MILNE, GEORGE TODD

Exec Dt:

06/06/2016

11

LONG, KIMBERLY KAFADAR

Exec Dt:

06/10/2016

12

CURRIE, MARK G.

Exec Dt:

07/11/2016

13

Exec Dt:

08/12/2016

14

IYENGAR, RAJESH R.

Exec Dt:

06/10/2016

15

IM, G-YOON JAMIE

Exec Dt:

08/10/2016

16

HUDSON, COLLEEN

Exec Dt:

08/09/2016

17

Exec Dt:

08/09/2016

18

Exec Dt:

08/10/2016

19

Exec Dt:

06/06/2016

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

16178771

Correspondence name and address
	SYLVIA HSU CHEN YIP
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

Assignment: 7

Reel/Frame:	049458/0337			Pages:	10
		Recorded:	06/13/2019
Attorney Dkt #:	127553-02605
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

BARDEN, TIMOTHY CLAUDE

Exec Dt:

08/10/2016

2

SHEPPECK, JAMES EDWARD

Exec Dt:

06/09/2016

3

RENNIE, GLEN ROBERT

Exec Dt:

06/08/2016

4

RENHOWE, PAUL ALLAN

Exec Dt:

06/07/2016

5

Exec Dt:

06/06/2016

6

Exec Dt:

06/03/2016

7

Exec Dt:

08/10/2016

8

LEE, THOMAS WAI-HO

Exec Dt:

06/10/2016

9

Exec Dt:

08/10/2016

10

Exec Dt:

08/10/2016

11

Exec Dt:

06/06/2016

12

IYENGAR, RAJESH R.

Exec Dt:

06/10/2016

13

IM, G-YOON JAMIE

Exec Dt:

08/10/2016

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

16165192

Correspondence name and address
	SYLVIA HSU CHEN YIP
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

Assignment: 8

Reel/Frame:	055644/0178			Pages:	18
		Recorded:	03/18/2021
Attorney Dkt #:	127553-01507
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

RENNIE, GLEN ROBERT

Exec Dt:

10/31/2017

2

IYENGAR, RAJESH R.

Exec Dt:

11/02/2017

3

LEE, THOMAS WAI-HO

Exec Dt:

10/30/2017

4

RENHOWE, PAUL ALLAN

Exec Dt:

12/11/2017

5

Exec Dt:

10/30/2017

6

Exec Dt:

05/01/2018

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

17112351

Correspondence name and address
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

Assignment: 9

Reel/Frame:	047339/0542			Pages:	8
		Recorded:	10/29/2018
Attorney Dkt #:	127553-03103
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

DUNBAR, CRAIG ANTONY

Exec Dt:

08/21/2018

2

SETHURAMAN, VASU

Exec Dt:

08/24/2018

3

Exec Dt:

10/25/2018

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

15780212

Correspondence name and address
	SYLVIA HSU CHEN YIP
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

Assignment: 10

Reel/Frame:	047896/0842			Pages:	11
		Recorded:	01/03/2019
Attorney Dkt #:	127553-03903
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

IM, G-YOON JAMIE

Exec Dt:

10/23/2018

2

CURRIE, MARK G.

Exec Dt:

12/19/2018

3

SHEPPECK, JAMES EDWARD

Exec Dt:

10/16/2018

4

RENHOWE, PAUL ALLAN

Exec Dt:

11/09/2018

5

Exec Dt:

10/16/2018

6

MASFERRER, JAIME L.

Exec Dt:

10/16/2018

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

16074357

Correspondence name and address
	SYLVIA HSU CHEN YIP
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

Assignment: 11

Reel/Frame:	047896/0831			Pages:	8
		Recorded:	01/03/2019
Attorney Dkt #:	127553-03402
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

1

CARLSON, KENNETH E.

Exec Dt:

11/09/2018

2

Exec Dt:

10/18/2018

3

CURRIE, MARK G.

Exec Dt:

12/19/2018

Assignee

1

IRONWOOD PHARMACEUTICALS, INC

301 BINNEY STREET

CAMBRIDGE, MASSACHUSETTS 02142

Property

Pat #

Pub #

Intl #

App #

NONE

16061992

Correspondence name and address
	SYLVIA HSU CHEN YIP
	MCCARTER & ENGLISH, LLP
	265 FRANKLIN STREET
	BOSTON, MA 02110

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Web interface last modified: August 25, 2017 v.2.6

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