IP Library › Assignment 072650/0449
Patent Assignment
Reel/Frame 072650/0449

Assignment of Assignor's Interest

Recorded: 2025-10-23 Pages: 8
Assignors
AUSTAD, BRIAN C.
Executed: 2020-06-05
ROE, DAVID G.
Executed: 2021-12-22
Assignee
KARYOPHARM THERAPEUTICS INC.
85 WELLS AVENUE, NEWTON, MASSACHUSETTS, 02459
Covered Property (1)
Process for Preparing XPO1 Inhibitors and Intermediates for Use in the Preparation of XPO1 Inhibitors
Application: 17/607,670 →
Publication: US 2022/0242832
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest May 8, 2024
From: KARYOPHARM THERAPEUTICS INC.
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 067345/0255 →
Second Lien Patent Security Agreement May 13, 2024
From: KARYOPHARM THERAPEUTICS INC.
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 067396/0532 →
Patent Security Agreement Oct 10, 2025
From: KARYOPHARM THERAPEUTICS INC.
To: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS COLLATERAL TRUSTEE
Reel/Frame 073058/0504 →
Release of Security Interest in Patents at Reel/Frame No. 67396/0532 Oct 14, 2025
From: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS AGENT
To: KARYOPHARM THERAPEUTICS INC.
Reel/Frame 073111/0142 →