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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Page 2 of 2
1 2

Assignee Name : LIGAND PHARMACEUTICALS INCORPORATED
Total Assignments: 119
Assignment: 101
Reel/Frame:040245/0365   Pages: 3
Recorded: 11/07/2016
Attorney Dkt #:LIGAND.216NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
11/12/2014
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
11119 NORTH TORREY PINES ROAD
SUITE 200
LA JOLLA, CALIFORNIA 92037
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9676809
US20160347783
15034757
 
9676809
US20160347783
15034757
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 102
Reel/Frame:045834/0333   Pages: 3
Recorded: 05/17/2018
Attorney Dkt #:LIGAND.216C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
11/12/2014
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
11119 NORTH TORREY PINES ROAD
SUITE 200
LA JOLLA, CALIFORNIA 92037
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10000522
US20170334942
15590813
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 103
Reel/Frame:061187/0661   Pages: 12
Recorded: 09/22/2022
Attorney Dkt #:101501-0000
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SELEXIS SA
Exec Dt:
05/08/2015
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
11119 NORTH TORREY PINES ROAD, SUITE 200
LA JOLLA, CALIFORNIA 92037
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7129062
US20030087342
10059561
 
8252917
US20070178469
10595495
 
9879297
US20130143264
13536383
Correspondence name and address
ARNOLD V MINA
STRADLING YOCCA CARLSON & RAUTH
660 NEWPORT CENTER DRIVE, SUITE 1600
NEWPORT BEACH, CA 92660
Assignment: 104
Reel/Frame:039475/0191   Pages: 4
Recorded: 08/18/2016
Attorney Dkt #:LIGAN3.056NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
08/28/2015
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10441567
US20160338995
15111741
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 105
Reel/Frame:061276/0798   Pages: 4
Recorded: 09/30/2022
Attorney Dkt #:LIGAN3.056D1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
08/28/2015
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
11119 N. TORREY PINES ROAD
SUITE 200
LA JOLLA, CALIFORNIA 92037
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10874638
US20200009112
16572493
Correspondence name and address
KNOBBE MARTENS OLSON AND BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 106
Reel/Frame:039755/0680   Pages: 5
Recorded: 09/15/2016
Attorney Dkt #:LIGAND.220NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARSCHKE, KEITH B.
Exec Dt:
09/14/2016
2
ZHI, LIN
Exec Dt:
09/14/2016
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9962370
US20160022638
14775587
 
9962370
US20160022638
14775587
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 107
Reel/Frame:050012/0012   Pages: 4
Recorded: 08/09/2019
Attorney Dkt #:LIGAND.220C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARSCHKE, KEITH B.
Exec Dt:
09/14/2016
2
ZHI, LIN
Exec Dt:
09/14/2016
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10420748
US20180185333
15908504
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 108
Reel/Frame:054983/0819   Pages: 6
Recorded: 01/21/2021
Attorney Dkt #:LIGAND.262NP_WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHI, LIN
Exec Dt:
02/28/2019
2
HENDERSON, IAN
Exec Dt:
02/15/2019
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BLVD.,
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12208071
US20210121422
16969521
 
12208071
US20210121422
16969521
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 109
Reel/Frame:061277/0743   Pages: 4
Recorded: 09/30/2022
Attorney Dkt #:LIGAND.272NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
05/13/2020
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220220145
17604681
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 110
Reel/Frame:059020/0099   Pages: 3
Recorded: 02/15/2022
Attorney Dkt #:LIGAND.262NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
METAVANT SCIENCES GMBH
Exec Dt:
07/30/2020
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORENTO VALLEY BLVD #110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12208071
US20210121422
16969521
Correspondence name and address
KNOBBE MARTENS
2040 MAIN ST.,
14TH FL
IRVINE, CA 92614
Assignment: 111
Reel/Frame:067836/0377   Pages: 4
Recorded: 06/25/2024
Attorney Dkt #:LIGAND.278NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
04/12/2022
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
5980 HORTON STREET
SUITE 405
EMERYVILLE, CALIFORNIA 94608
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230391807
18032783
Correspondence name and address
KNOBBE, MARTENS, OLSON, & BEAR LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 112
Reel/Frame:067836/0363   Pages: 3
Recorded: 06/25/2024
Attorney Dkt #:LIGAND.282NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
07/01/2022
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
5980 HORTON STREET, SUITE 405
EMERYVILLE, CALIFORNIA 94608
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240294565
18561681
Correspondence name and address
DOCKETING DEPARTMENT
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 113
Reel/Frame:064960/0757   Pages: 8
Recorded: 09/19/2023
Attorney Dkt #:134428-0002
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PELICAN TECHNOLOGY HOLDINGS, INC.
Exec Dt:
09/18/2023
2
PRIMROSE BIO, INC.
Exec Dt:
09/18/2023
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD, SUITE 110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8530171
US20110287443
13073955
Correspondence name and address
MORGAN, LEWIS & BOCKIUS LLP
1400 PAGE MILL ROAD
PALO ALTO, CA 94304
Assignment: 114
Reel/Frame:067836/0411   Pages: 4
Recorded: 06/25/2024
Attorney Dkt #:LIGAND.283NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
10/15/2023
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BLVD.
SUITE 110
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250188111
18706719
Correspondence name and address
KNOBBE, MARTENS, OLSON, & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 115
Reel/Frame:068913/0813   Pages: 4
Recorded: 10/16/2024
Attorney Dkt #:LIGAND.283WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZHI, LIN
Exec Dt:
10/15/2023
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BLVD.
SUITE 110,
SAN DIEGO, CALIFORNIA 92121
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20250188111
18706719
Correspondence name and address
DOCKETING DEPARTMENT
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 116
Reel/Frame:070680/0695   Pages: 6
Recorded: 03/31/2025
Attorney Dkt #:134428-0011
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CASTLE CREEK BIOSCIENCES, LLC
Exec Dt:
02/24/2025
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
555 HERITAGE DRIVE
SUITE 200
JUPITER, FLORIDA 33458
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8728819
US20100297088
12438932
 
8529883
US20110274665
12776163
 
8765121
US20130224160
13879606
 
11554142
US20130295061
13941265
 
9902937
US20140335057
14280957
 
9415075
US20140348801
14295155
 
10098914
US20170035811
15235767
 
10900020
US20180346878
15869613
 
NONE
US20190192636
16086151
 
12165209
NONE
16124960
 
NONE
US20230270793
18079358
Correspondence name and address
ALEX WEIDMAN
2222 MARKET STREET
PHILADELPHIA, PA 19103
Assignment: 117
Reel/Frame:070680/0634   Pages: 8
Recorded: 03/31/2025
Attorney Dkt #:134428-0008
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
AGENUS, INC.
Exec Dt:
03/26/2025
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
555 HERITAGE DRIVE
SUITE 200
JUPITER, FLORIDA 33458
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
10144779
US20160368989
15166305
 
10323091
US20170081409
15254315
 
10639368
US20170368168
15606148
 
10844119
US20180127499
15730249
 
11013802
US20180185481
15834290
 
11242385
US20180344870
15951950
 
11021537
US20180355040
15968094
 
10479833
US20190135919
16165833
 
10450373
US20190256601
16399262
 
11993653
US20200024350
16435175
 
10912828
US20200282050
16806299
 
11839653
US20200297841
16806323
 
11345755
US20200354454
16858193
 
11267889
US20200354455
16858195
 
10882908
US20200362037
16989369
 
10912831
US20210023214
17030650
 
NONE
US20210130495
17035015
 
12187795
US20210054074
17078602
 
11098117
US20210106693
17094196
 
11993651
US20210171634
17100038
 
11638755
US20210205451
17121229
 
12011481
US20210252139
17147252
 
NONE
US20220106581
17379796
 
NONE
US20220267443
17582839
 
NONE
US20220235349
17646554
 
NONE
US20220389095
17662042
 
NONE
US20220372149
17662518
 
11718669
US20230014036
17818840
 
12246066
US20230330225
18187367
 
NONE
US20240141039
18333882
 
NONE
US20240141047
18476108
 
NONE
US20240181048
18495468
 
NONE
US20240360249
18629551
Correspondence name and address
ALEX WEIDMAN
2222 MARKET STREET
PHILADELPHIA, PA 19103
PHILADELPHIA, PA 19103
Assignment: 118
Reel/Frame:070776/0692   Pages: 5
Recorded: 04/08/2025
Attorney Dkt #:5040387-0147
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Exec Dt:
04/03/2025
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
3911 SORRENTO VALLEY BOULEVARD, SUITE 110
SAN DIEGO, CALIFORNIA 92121
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9187501
US20140065200
14011488
 
11420986
US20180319822
15772759
 
11324773
US20200085858
16500755
 
12257314
US20220152219
17435313
Correspondence name and address
BETTY G. SMITH, SENIOR PARALEGAL
MCGUIREWOODS LLP, 201 N. TRYON ST.
SUITE 3000
CHARLOTTE, NC 28202
Assignment: 119
Reel/Frame:071481/0040   Pages: 26
Recorded: 05/30/2025
Attorney Dkt #:1679
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LNHC, INC.
Exec Dt:
04/09/2025
Assignee
1
LIGAND PHARMACEUTICALS INCORPORATED
555 HERITAGE DRIVE, SUITE 200
JUPITER, FLORIDA 33458
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8241650
US20080069848
11891678
 
9427605
US20080311163
11909152
 
8592434
US20110136837
12634225
 
8211466
US20100266667
12707369
 
9919072
US20120136323
13256925
 
9526738
US20120134951
13256928
 
8591876
US20120156163
13325826
 
8747896
US20120329817
13565653
 
8791127
US20130303556
13943504
 
8937143
US20130310533
13946186
 
9713652
US20130344334
13975930
 
9757397
US20140107071
14133973
 
9289442
US20140105986
14134737
 
9238038
US20140171395
14184156
 
9855211
US20140242023
14191958
 
9669041
US20140255318
14353599
 
11077194
US20150024052
14381370
 
9267006
US20150141606
14592096
 
10258564
US20160008275
14771138
 
10265334
US20160038390
14887648
 
11813284
US20160199295
14910207
 
10206947
US20160256484
14910215
 
10196349
US20160083339
14961133
 
10322081
US20170216197
15324332
 
10925689
US20170196905
15324526
 
9737561
US20170056437
15353301
 
10376538
US20170312307
15652824
 
10322082
US20180008533
15713185
 
10849864
US20180214392
15747981
 
11583608
US20180214598
15887649
 
10226483
US20180250330
15969628
 
10912743
US20190015358
16081708
 
11166980
US20190290681
16091167
 
10500220
US20190175630
16209542
 
10435357
US20190135738
16239069
 
10828323
US20190388461
16251972
 
11285098
US20190167567
16267738
 
10736839
US20190290577
16431214
 
11124476
US20200055815
16555673
 
11534382
US20210137810
16623831
 
NONE
US20200061089
16672590
 
11040006
US20200230048
16840657
 
11285171
US20200397815
16975843
 
11723858
US20210346280
17329587
 
NONE
US20210395191
17465929
 
NONE
US20220168216
17675654
 
NONE
US20230330008
18340177
 
NONE
US20250049841
18719012
Correspondence name and address
MADDIE SPINELLI
4130 PARKLAKE AVENUE, SUITE 250
RALEIGH, NC 27612
Page 2 of 2
1 2

Search Results as of: 08/05/2025 08:38 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