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Patent Assignment Assignor Details
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Assignor Name : MASON, JONATHAN STEPHEN
Total Assignments: 18
Assignment: 1
Reel/Frame:007198/0974   Pages: 4
Recorded: 11/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENTON, GARY
Exec Dt:
10/21/1994
2
MASON, JONATHAN STEPHEN
Exec Dt:
10/31/1994
3
PALFREYMAN, MALCOLM NORMAN
Exec Dt:
10/21/1994
4
RATCLIFFE, ANDREW JAMES
Exec Dt:
10/24/1994
Assignee
1
RHONE-POULENC RORER LIMITED
RPR HOUSE 1A-124 ST. LEONARD'S ROAD EASTBOURNE, EAST SUSSEX BN21 3YG UNITED KINGDOM
EAST SUSSEX BN21 3YG, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5541219
NONE
08295747
Correspondence name and address
RAYMOND S. PARKER, III
3C43
500 ARCOLA ROAD
COLLEGEVILLE, PA 19426
Assignment: 2
Reel/Frame:009640/0622   Pages: 4
Recorded: 12/14/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EWING, WILLIAM R.
Exec Dt:
12/05/1997
2
BECKER, MICHAEL R.
Exec Dt:
12/05/1997
3
PAULS, HENRY W.
Exec Dt:
12/05/1997
4
CHENEY, DANIEL L.
Exec Dt:
12/05/1997
5
MASON, JONATHAN STEPHEN
Exec Dt:
12/05/1997
6
SPADA, ALFRED P.
Exec Dt:
12/05/1997
7
CHOI-SLEDESKI, YONG MI
Exec Dt:
12/05/1997
Assignee
1
RHONE-POULENE RORER PHARMACEUTICALS IND.
500 ARCOLA ROAD
COLLEGEVILLE, PENNSYLVANIA 19426
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5958918
NONE
08976034
Correspondence name and address
RHONE-POULENE RORER INC.
RAYMOND S. PARKER, III
P.O. BOX 5093
PATENT DEPERTMENT
COLLEGEVILLE, PA 19426-0997
Assignment: 3
Reel/Frame:031062/0194   Pages: 8
Recorded: 08/22/2013
Attorney Dkt #:122146-00101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY
HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8809525
US20130029963
13576798
Correspondence name and address
MCCARTER & ENGLISH LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 4
Reel/Frame:033777/0818   Pages: 8
Recorded: 09/19/2014
Attorney Dkt #:122146-00102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY
HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9249130
US20150005276
14322505
Correspondence name and address
MEI BAI, PH.D.
265 FRANKLIN STREET
MCCARTER ENGLISH LLP
BOSTON, MA 02110
Assignment: 5
Reel/Frame:037561/0200   Pages: 8
Recorded: 01/22/2016
Attorney Dkt #:125345-00503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160175314
14976738
Correspondence name and address
MEI BAI, PH.D.
265 FRANKLIN STREET
MCCARTER ENGLISH LLP
BOSTON, MA 02110
Assignment: 6
Reel/Frame:043152/0189   Pages: 8
Recorded: 08/01/2017
Attorney Dkt #:125345-00504
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10112923
US20170291888
15344048
Correspondence name and address
MEI BAI, PH.D.
265 FRANKLIN STREET
MCCARTER ENGLISH LLP
BOSTON, MA 02110
Assignment: 7
Reel/Frame:047592/0418   Pages: 8
Recorded: 11/27/2018
Attorney Dkt #:130707-00505
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10988455
US20190047978
16161409
Correspondence name and address
MEI BAI, PH.D.
265 FRANKLIN STREET
MCCARTER ENGLISH LLP
BOSTON, MA 02110
Assignment: 8
Reel/Frame:056758/0587   Pages: 8
Recorded: 07/06/2021
Attorney Dkt #:092494-05506
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/26/2013
2
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
07/26/2013
3
MASON, JONATHAN STEPHEN
Exec Dt:
07/26/2013
4
BROWN, GILES ALBERT
Exec Dt:
07/26/2013
Assignee
1
HEPTARES THERAPEUTICS LIMITED
GRANTA PARK, GREAT ABINGTON
CAMBRIDGE, UNITED KINGDOM CB21 6DG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230021177
17239137
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 9
Reel/Frame:040269/0918   Pages: 8
Recorded: 11/09/2016
Attorney Dkt #:102085.004863
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY
HERTFORDSHIRE, UNITED KINGDOM AL73AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9808457
US20170121348
15336866
Correspondence name and address
BAKER HOSTETLER LLP
2929 ARCH STREET
CIRA CENTRE, 12TH FLOOR
PHILADELPHIA, PA 19104
Assignment: 10
Reel/Frame:040581/0470   Pages: 8
Recorded: 11/09/2016
Attorney Dkt #:102085.004867
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY
HERTFORDSHIRE, UNITED KINGDOM AL7 3AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9802935
US20170121331
15336880
Correspondence name and address
BAKER HOSTETLER LLP
2929 ARCH STREET
CIRA CENTRE, 12TH FLOOR
PHILADELPHIA, PA 19104
Assignment: 11
Reel/Frame:040582/0414   Pages: 8
Recorded: 11/10/2016
Attorney Dkt #:102085.004871
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY
HERTFORDSHIRE, UNITED KINGDOM AL7 3AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9688660
US20170121311
15336893
Correspondence name and address
BAKER HOSTETLER LLP
2929 ARCH STREET
CIRA CENTRE, 12TH FLOOR
PHILADELPHIA, PA 19104
Assignment: 12
Reel/Frame:046736/0982   Pages: 8
Recorded: 08/29/2018
Attorney Dkt #:125345-01503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, UNITED KINGDOM AL7 3AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10300056
US20180015085
15713775
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 13
Reel/Frame:046737/0111   Pages: 8
Recorded: 08/29/2018
Attorney Dkt #:125345-01603
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, UNITED KINGDOM AL7 3AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10259812
US20180009808
15708424
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 14
Reel/Frame:046737/0210   Pages: 8
Recorded: 08/29/2018
Attorney Dkt #:125345-01704
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
BIOPARK, BROADWATER ROAD
WELWYN GARDEN CITY, UNITED KINGDOM AL7 3AX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10166226
US20180153876
15882038
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 15
Reel/Frame:049032/0391   Pages: 8
Recorded: 04/30/2019
Attorney Dkt #:125345-01504
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
GRANTA PARK, GREAT ABINGTON
CAMBRIDGE, UNITED KINGDOM CB21 6DG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10888561
US20190231773
16377519
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 16
Reel/Frame:056178/0679   Pages: 8
Recorded: 05/07/2021
Attorney Dkt #:125345-01505
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHRISTOPHER, JOHN ANDREW
Exec Dt:
05/04/2016
2
CONGREVE, MILES STUART
Exec Dt:
05/04/2016
3
BUCKNELL, SARAH JOANNE
Exec Dt:
05/04/2016
4
DEFLORIAN, FRANCESCA
Exec Dt:
05/04/2016
5
PICKWORTH, MARK
Exec Dt:
05/04/2016
6
MASON, JONATHAN STEPHEN
Exec Dt:
05/04/2016
Assignee
1
HEPTARES THERAPEUTICS LIMITED
GRANTA PARK, GREAT ABINGTON
CAMBRIDGE, UNITED KINGDOM CB21 6DG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210213011
17139299
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 17
Reel/Frame:065100/0914   Pages: 10
Recorded: 09/07/2023
Attorney Dkt #:16392.0002-00000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, GILES ALBERT
Exec Dt:
03/14/2023
2
RICHARDSON, CHRISTINE MARY
Exec Dt:
04/17/2023
3
CONGREVE, MILES STUART
Exec Dt:
03/16/2023
4
PAUL, REBECCA
Exec Dt:
03/17/2023
5
ANDREWS, STEPHEN PHILIPPE
Exec Dt:
03/21/2023
6
MASON, JONATHAN STEPHEN
Exec Dt:
03/15/2023
Assignee
1
HEPTARES THERAPEUTICS LIMITED
GRANTA PARK, GREAT ABINGTON
CAMBRIDGE
CAMBRIDGESHIRE, UNITED KINGDOM CB2 L 6DG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230271964
17914245
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, LL
901 NEW YORK AVENUE NW
WASHINGTON, DC 20001
Assignment: 18
Reel/Frame:064535/0882   Pages: 9
Recorded: 08/09/2023
Attorney Dkt #:70819.2US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONGREVE, MILES STUART
Exec Dt:
07/14/2023
2
CHRISTOPHER, JOHN ANDREW
Exec Dt:
07/17/2023
3
PICKWORTH, MARK
Exec Dt:
07/14/2023
4
DE GRAAF, CHRIS
Exec Dt:
07/14/2023
5
HIGUERUELO, ALICIA PEREZ
Exec Dt:
07/19/2023
6
MASON, JONATHAN STEPHEN
Exec Dt:
07/27/2023
7
KULKARNI, SANTOSH S
Exec Dt:
07/19/2023
Assignee
1
HEPTARES THERAPEUTICS LIMITED
STEINMETZ BUILDING
GRANTA PARK GREAT ABINGTON
CAMBRIDGE, UNITED KINGDOM CB2I 6DG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240083845
18258065
Correspondence name and address
HAYNES AND BOONE, LLP IP SECTION
2323 VICTORY AVENUE
SUITE 700
DALLAS, TX 75219

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