RegenX Science Inc. vs. NeXtGen Biologics, Inc.

Explore the PTAB proceeding IPR2025-00621 filed by RegenX Science Inc. on 2025-02-19. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00621

Filing Date

2025-02-19

Accorded Filing Date

2025-02-19

Institution Decision Date

2025-07-31

Last Modified Date

2025-08-31

Proceeding Type

IPR

Termination Date

2025-07-31

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

RegenX Science Inc.

Represented By

Traupman, Matthewet al

Patent Owner / Respondent

NeXtGen Biologics, Inc.

Represented By

McPherson, Patricket al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1600 - Biotechnology & Organic Chemistry

Patent Information

1 Patent Involved

Respondent Application Number 16801956

Respondent Patent Number 11660376

External Links

Espacenet

Google Patents

Respondent Inventor Ryanne Early

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

35 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name DUANE MORRIS LLP - Philadelphia - IP DEPARTMENT

Customer Number 8933

Address 30 SOUTH 17TH STREET, PHILADELPHIA, PA, 19103-4196, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
24403	Arthur Dresner	212-692-1014
25057	Lewis Gould Jr	215-979-1282
29643	Stephan Gribok	215-979-1283
32021	Peter Cronk	215-979-1252
32147	Thomas Kowalski	212-692-1025
34892	Richard Paikoff	215-979-1853
36427	Samuel Apicelli	215-979-1255
40745	Vicki Norton	619-744-2264
40798	Diana Sangalli	713-402-3915
42514	Donald English	202-776-7800
42763	Won Kouh	215-979-1581
43732	Sima Kulkarni	215-656-2478
46255	Patrick Mcpherson	202-776-5214
46285	Mark Comtois	202-776-7800
47006	Joseph Powers	215-979-1842
47343	Patrick Muldoon	202-776-7840
50940	Deborah Lu	212-692-1026
54241	Christopher Kroon	617-289-9200
56216	Gregory Lefkowitz	561-962-2110
57585	John Baird	202-776-7819
59025	Michelle Donovan	619-744-2200
59115	Jiazhong Luo	215-979-1809
59427	David Dotson	404-253-6982
59907	Karen Kline	305-960-2200
63850	Christopher Tyson	202-776-7851
63903	Jarrad Gunther	215-979-1837
66523	Randall Pyles	267-885-4772
66595	Daniel Tarr	215-963-4995
66864	John Munro	312-499-6786
67859	Jordana Garellek	917-817-3768
72411	Ryan Smith	619--74-4-2220
73106	Paul Belnap	202-776-7879
75226	Daniel Mitchell	404-253-6955
79603	Willem Klein	202-808-7361
80519	Stephen Smith	404-253-6973

Proceeding Documents

131

Notice: refund approved NOTICE

2025-08-18 FILING PARTY: BOARD

Download

Request for Refund OTHER

2025-08-15 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-07-31 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2025-07-29 FILING PARTY: BOARD

Download

1074

Ex.1074-August 7, 2020 Settlement Agreement Exhibit

2025-07-14 FILING PARTY: PETITIONER

Download

RegenX Science Inc. vs. NeXtGen Biologics, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

RegenX Science Inc.

Represented By

Patent Owner / Respondent

NeXtGen Biologics, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Request for Refund OTHER

Director Discretionary Decision: Deny RESPONSE

Email Correspondence Exhibit

Ex.1074-August 7, 2020 Settlement Agreement Exhibit

Ex.1086-July 16, 2019 Letter from ISE Exhibit

Ex.1084-Excerpted '790 Prosecution History (7/2/19 to 3/25/20) Exhibit

Ex.1064- October 15, 2014 Synogen-NeXtGen License Exhibit

Ex.1070-December 3, 2019 Final Arbitration Award Exhibit

Ex.1091-House Report 112-98, Part 1 – America Invents Act (H.R. 1249) (June 1, 2011) Exhibit

Ex.1067-April 5, 2019 ISE Termination Letter Exhibit

Ex.1072-March 31, 2020 Final Judgment Exhibit

Ex.1093-October 7, 2021 NeoMatriX 510(k) Approval Letter Exhibit

EX-2022 Housing and Maintenance of Ambystoma mexicanum , the Mexican Axolotl Exhibit

Ex.1081-U.S. Patent Application No. 16/399,068 Prosecution History (September 13, 2019 Power of Attorney) Exhibit

Ex.1085-Excerpted '376 Patent Prosecution History (2/26/20 to 1/24/23) Exhibit

Ex.1090-International Publication No. WO2023/154873 A2, “Anti-VEGF/Anti-ANG2 Antibodies and Uses Thereof,” published August 17, 2023 (PCT/US2023/062398) Exhibit

Ex.1094-Default Protective Order Exhibit

Ex.1075-September 5, 2020 Order Approving Settlement Exhibit

EX-2021 4 of 5 File History 10617790 Exhibit

Ex.1087-Declaration of Elisabeth Corson Exhibit

EX-2021 5 of 5 File History 10617790 Exhibit

Ex.1069-October 15, 2019 Emergency Motion to Confirm Arbitration Award Exhibit

Ex.1092-October 9, 2019 Interim Injunctive Relief Award Exhibit

Ex.1076-October 5, 2020 Synogen Assignment Exhibit

Motion to Seal and Enter Default Protective Order MOTION

PET Opposition to Discretionary Denial Brief RESPONSE

Ex.1063-September 23, 2014 ISE-Synogen License Exhibit

Ex.1083-Excerpted '790 Prosecution History (10-22-88 to 1-10-19) Exhibit

EX-2021 2 of 5 File History 10617790 Exhibit

Ex.1071-January 6, 2020 Emergency Motion to Confirm Final Arbitration Award Exhibit

Ex.1073-May 5, 2020 Notice of Bankruptcy Exhibit

EX-2021 1 of 5 File History 10617790 Exhibit

Patent Owner's Preliminary Response POPR

EX-2021 3 of 5 File History 10617790 Exhibit

Ex.1068-September 16, 2019 Amended Demand for Arbitration Exhibit

Ex.1088-Memorandum on Interim Processes for Patent Trial and Appeal Board Workload Management Exhibit

Ex.1089-U.S. Patent Application Publication No. US2025/0134801 A1 (U.S. Application No. 18/837,137), published May 1, 2025. Exhibit

Ex.1082-U.S. Patent Application No. 16/399,068 Prosecution History (July 31, 2020 Abandonment) Exhibit

EX-2003 Satoh Exhibit

EX-2011 Block Exhibit

EX-2014 US12311079 Exhibit

EX-2006 Fife Exhibit

EX-2009 Seifert Exhibit

EX-2015 Sykes Exhibit

Patent Owner's Discretionary Brief RESPONSE

EX-2007 Diegelmann Exhibit

EX-2016 Ali Exhibit

EX-2001 Asem - US6485969 Exhibit

EX-2018 Written Opinion Exhibit

EX-2017 US20250134801 Exhibit

EX-2020 Declaration of G. Bencen Exhibit

EX-2012 Peck Exhibit

EX-2005 Swann Exhibit

EX-2002 Smith Exhibit

EX-2019 US20190255217 Exhibit

EX-2013 Sen Exhibit

EX-2008 RegenX Science Website Exhibit

EX-2004 Seifert Exhibit

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Ex.1004 - File History of U.S. Patent No. 11,660,376 [Corrected to Include Exhibit Stamps] Exhibit