Patent Assignment
Reel/Frame 074626/0806
Release of Security Interest
Recorded: 2026-05-11
Pages: 5
Assignor
PETRICHOR OPPORTUNITIES FUND I LP, AS COLLATERAL AGENT
Executed: 2026-05-11
Assignee
CORNEAGEN LLC
1200 6TH AVE., STE 300, SEATTLE, WASHINGTON, 98101
Covered Properties
(15)
Method for Increasing the Depth of Focus of a Patient
Corneal Inlay with Nutrient Transport Structures
Devices and Methods for Implanting Corneal Tissue
Systems and Methods for Corneal Transplants
Systems and Methods for Separating Tissue in Corneal Transplant Procedures
Systems and Methods for Tissue Dissection in Corneal Transplants
Systems and Methods for Preparing Corneal Tissue for Implant
Systems and Methods for Separating Tissue in Corneal Transplant Procedures
Systems and Methods for Tissue Dissection in Corneal Transplants
Systems and Methods for Corneal Transplants
Medical Tools for Corneal Tissue Delivery
Ocular Mask
Patent:
656,526 →
Application:
29/350,008 →
Ocular Mask
Patent:
681,086 →
Application:
29/413,468 →
Medical Tools for Corneal Tissue Delivery
PCT:
PCT/US2021/041557 ↗
Systems and Methods for Tissue Dissection in Corneal Transplants
PCT:
PCT/US2018/045169 ↗
Related Assignments
(19)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 22, 2010
From: CHRISTIE, BRUCE; PETERSON, EDWARD W.; VAN DE POL, CORINA
To: ACUFOCUS, INC
Reel/Frame 023838/0736 →
Security Agreement
Nov 8, 2011
From: ACUFOCUS, INC.
To: COWEN HEALTHCARE ROYALTY PARTNERS II, L.P.
Reel/Frame 027195/0379 →
Assignment of Assignor's Interest
Feb 28, 2013
From: CHRISTIE, BRUCE; PETERSON, EDWARD W.; VAN DE POL, CORINA
To: ACUFOCUS, INC.
Reel/Frame 029897/0350 →
Change of Name
Aug 27, 2014
From: ACUFOCUS, INC.
To: HEALTHCARE ROYALTY PARTNERS II, L.P.
Reel/Frame 033644/0719 →
Security Interest
Sep 2, 2014
From: ACUFOCUS, INC.
To: HEALTHCARE ROYALTY PARTNERS II, L.P.
Reel/Frame 033666/0042 →
Corrective Assignment to Correct the Conveying Party Data and Date of Execution Previously Recorded at Reel: 033644 Frame: 0719. Assignor(S) Hereby Confirms the Change of Name.
Jun 19, 2015
From: COWEN HEALTHCARE ROYALTY PARTNERS II, L.P.
To: HEALTHCARE ROYALTY PARTNERS II, L.P.
Reel/Frame 035984/0129 →
Change of Name
Jul 16, 2018
From: SIGHTLIFE SURGICAL, INC.
To: CORNEAGEN INC.
Reel/Frame 046556/0054 →
Assignment of Assignor's Interest
Jul 16, 2018
From: ACUFOCUS, INC.
To: SIGHTLIFE SURGICAL, INC.
Reel/Frame 046362/0411 →
Assignment of Assignor's Interest
Nov 18, 2019
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; GIEGENGACK, MATTHEW
To: CORNEAGEN INC.
Reel/Frame 051035/0062 →
Assignment of Assignor's Interest
Dec 18, 2019
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; KHALIFA, YOUSUF
To: CORNEAGEN INC.
Reel/Frame 051517/0797 →
Assignment of Assignor's Interest
Dec 18, 2019
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; KHALIFA, YOUSUF
To: CORNEAGEN INC.
Reel/Frame 051319/0849 →
Assignment of Assignor's Interest
Dec 18, 2019
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; ANDREWS, PETER R.
To: CORNEAGEN INC.
Reel/Frame 051318/0489 →
Assignment of Assignor's Interest
Jul 6, 2021
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; ANDREWS, PETER R.
To: CORNEAGEN INC.
Reel/Frame 056766/0441 →
Security Interest
Apr 11, 2022
From: CORNEAGEN LLC
To: PETRICHOR OPPORTUNITIES FUND I LP, AS COLLATERAL AGENT
Reel/Frame 059566/0107 →
Assignment of Assignor's Interest
Oct 19, 2022
From: HOLLAND, EDWARD J.; POTTS, KEVIN
To: CORNEAGEN INC.
Reel/Frame 061464/0193 →
Assignment of Assignor's Interest
May 31, 2023
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; KHALIFA, YOUSUF
To: CORNEAGEN INC.
Reel/Frame 063806/0465 →
Assignment of Assignor's Interest
Dec 28, 2023
From: BARKER, JERRY; POTTS, KEVIN
To: CORNEAGEN
Reel/Frame 065974/0573 →
Assignment of Assignor's Interest
Apr 5, 2024
From: BARKER, JERRY W.; DRABBLE, DOUGLAS C.; GIEGENGACK, MATTHEW
To: CORNEAGEN INC.
Reel/Frame 067015/0446 →
Security Interest
May 11, 2026
From: CORNEAGEN LLC
To: ALCON RESEARCH, LLC
Reel/Frame 074626/0029 →