Patent Assignment
Reel/Frame 031015/0456
Assignment of Assignor's Interest
Recorded: 2013-08-15
Pages: 3
Assignor
WARCHOL, TADEUSZ
Executed: 2011-02-14
Assignee
PARATEK PHARMACEUTICALS, INC.
75 KNEELAND STREET, BOSTON, MASSACHUSETTS, 02111
Covered Property
(1)
Salts and Polymorphs of a Tetracycline Compound
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 15, 2013
From: CVETOVICH, RAYMOND
To: MERCK & CO., INC.
Reel/Frame 031015/0405 →
Assignment of Assignor's Interest
Aug 15, 2013
From: MERCK & CO., INC.
To: PARATEK PHARMACEUTICALS, INC.
Reel/Frame 031015/0618 →
Security Interest
Mar 14, 2014
From: PARATEK PHARMACEUTICALS, INC.
To: HBM HEALTHCARE INVESTMENTS (CAYMAN) LTD., AS COLLATERAL AGENT
Reel/Frame 032448/0001 →
Release of Security Interest
Oct 31, 2014
From: HBM HEALTHCARE INVESTMENTS (CAYMAN) LTD., AS COLLATERAL AGENT
To: PARATEK PHARMACEUTICALS, INC.
Reel/Frame 034113/0910 →
Termination of Lien on Patents
Dec 23, 2014
From: MINTZ LEVIN COHN FERRIS GLOVSKY AND POPEO PC
To: PARATEK PHARMACEUTICALS, INC.
Reel/Frame 034700/0377 →
Security Interest
Sep 22, 2023
From: PARATEK PHARMACEUTICALS, INC.
To: OAKTREE FUND ADMINISTRATION, LLC
Reel/Frame 065001/0917 →
Security Interest
May 22, 2025
From: PARATEK PHARMACEUTICALS, INC.
To: OAKTREE FUND ADMINISTRATION, LLC
Reel/Frame 071200/0656 →
Release of Security Interest in Patents Recorded at Reel/Frame 065001/0917
May 22, 2025
From: OAKTREE FUND ADMINISTRATION, LLC
To: PARATEK PHARMACEUTICALS, INC.
Reel/Frame 071343/0407 →
Patent Security Agreement
Mar 16, 2026
From: PARATEK PHARMACEUTICALS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 075111/0244 →
Release of Security Interest in Patents Recorded at Reel/Frame 71200/0656
Mar 17, 2026
From: OAKTREE FUND ADMINISTRATION, LLC
To: PARATEK PHARMACEUTICALS, INC.
Reel/Frame 075101/0815 →