Patent Assignment
Reel/Frame 058007/0978
Assignment of Assignor's Interest
Recorded: 2021-11-03
Pages: 4
Assignor
PROMETHEUS LABORATORIES INC.
Executed: 2021-09-28
Assignee
EXAGEN INC.
1261 LIBERTY WAY, VISTA, CALIFORNIA, 92081
Covered Properties
(4)
Methods of Quantifying Methotrexate Metabolites
Methods for Direct Detection of Individual Methotrexate Metabolites
Methods for Optimizing Clinical Responsiveness to Methotrexate Therapy Using Metabolite Profiling and Pharmacogenetics
Methods for Predicting Methotrexate Polyglutamate Levels Using Pharmacogenetics
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Short-Form Patent Security Agreement
Oct 15, 2013
From: EXAGEN DIAGNOSTICS, INC.
To: CAPITAL ROYALTY PARTNERS II L.P.; CAPITAL ROYALTY PARTNERS II - PARALLEL FUND "A" L.P.; PARALLEL INVESTMENT OPPORTUNITIES PARTNERS II L.P.
Reel/Frame 031414/0660 →
Release of Security Interest
Dec 29, 2015
From: BANK OF AMERICA, N.A.
To: PROMETHEUS LABORATORIES INC.
Reel/Frame 037378/0464 →
Release of Security Interest
Sep 1, 2017
From: CYPRESS BIOSCIENCE INC.
To: EXAGEN DIAGNOSTICS, INC.
Reel/Frame 043747/0382 →
Release of Security Interest
Sep 7, 2017
From: CAPITAL ROYALTY PARTNERS II L.P.; CAPITAL ROYALTY PARTNERS II - PARALLEL FUND "A" L.P.; PARALLEL INVESTMENT OPPORTUNITIES PARTNERS II L.P.
To: EXAGEN DIAGNOSTICS, INC.
Reel/Frame 043784/0828 →
Security Interest
Sep 11, 2017
From: EXAGEN DIAGNOSTICS, INC.
To: INNOVATUS LIFE SCIENCES LENDING FUND I, LP, AS COLLATERAL AGENT
Reel/Frame 043548/0228 →
Merger
Jun 6, 2019
From: NESTEC S.A.
To: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.
Reel/Frame 049391/0756 →
Corrective Assignment to Correct the English Translation to Show the Full and Correct New Name in Section 51. Previously Recorded at Reel: 049391 Frame: 0756. Assignor(S) Hereby Confirms the Merger.
Jun 13, 2019
From: NESTEC S.A.
To: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.
Reel/Frame 049853/0398 →
Assignment of Assignor's Interest
Aug 26, 2019
From: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.
To: PRECISION IBD, INC.
Reel/Frame 050166/0001 →
Change of Name
Oct 17, 2019
From: PRECISION IBD, INC.
To: PROMETHEUS BIOSCIENCES, INC.
Reel/Frame 050886/0942 →
Corrective Assignment to Correct the Patent Number 16062921 Previously Recorded on Reel 049391 Frame 0756. Assignor(S) Hereby Confirms the Patent Number Should Have Been 16062912.
Jul 3, 2020
From: NESTEC S.A.
To: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.
Reel/Frame 054082/0165 →
Corrective Assignment to Correct the Patent Number 16062921 Previously Recorded on Reel 049391 Frame 0756. Assignor(S) Hereby Confirms the Patent Number Should Have Been 16062912.
Jul 3, 2020
From: NESTEC S.A.
To: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.
Reel/Frame 054082/0001 →
Assignment of Assignor's Interest
Oct 7, 2021
From: PROMETHEUS BIOSCIENCES, INC.
To: PROMETHEUS LABORATORIES INC.
Reel/Frame 057730/0993 →
Release of Security Interest
Apr 25, 2025
From: INNOVATUS LIFE SCIENCES LENDING FUND I, LP
To: EXAGEN INC.
Reel/Frame 070951/0040 →
Security Interest
Apr 25, 2025
From: EXAGEN INC.
To: PERCEPTIVE CREDIT HOLDINGS IV, LP
Reel/Frame 070952/0802 →