The detailed information for PTAB case with proceeding number IPR2025-00621 filed by RegenX Science Inc. against NeXtGen Biologics, Inc. on Feb 19, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-00621
Filing Date
Feb 19, 2025
Petitioner
RegenX Science Inc.
Respondent
NeXtGen Biologics, Inc.
Status
Discretionary Denial
Respondent Application Number
16801956
Respondent Tech Center
1600
Respondent Patent Number
11660376
Institution Decision Date
Jul 31, 2025
Termination Date
Jul 31, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Director Discretionary Decision: Deny

Jul 31, 2025PAPERBOARD

Email Correspondence

Jul 29, 2025EXHIBITBOARD

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

Ex.1067-April 5, 2019 ISE Termination Letter

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

Ex.1070-December 3, 2019 Final Arbitration Award

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

Ex.1072-March 31, 2020 Final Judgment

Jul 14, 2025EXHIBITPETITIONER

Ex.1073-May 5, 2020 Notice of Bankruptcy

Jul 14, 2025EXHIBITPETITIONER

Ex.1074-August 7, 2020 Settlement Agreement

Jul 14, 2025EXHIBITPETITIONER

Ex.1075-September 5, 2020 Order Approving Settlement

Jul 14, 2025EXHIBITPETITIONER

Ex.1076-October 5, 2020 Synogen Assignment

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

Patent Owner's Preliminary Response

Jul 14, 2025PAPERPATENT OWNER

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

Jul 14, 2025EXHIBITPATENT OWNER

EX-2021 1 of 5 File History 10617790

Jul 14, 2025EXHIBITPATENT OWNER

EX-2021 2 of 5 File History 10617790

Jul 14, 2025EXHIBITPATENT OWNER

EX-2021 3 of 5 File History 10617790

Jul 14, 2025EXHIBITPATENT OWNER

EX-2021 4 of 5 File History 10617790

Jul 14, 2025EXHIBITPATENT OWNER

EX-2021 5 of 5 File History 10617790

Jul 14, 2025EXHIBITPATENT OWNER

PET Opposition to Discretionary Denial Brief

Jul 14, 2025PAPERPETITIONER

Ex.1065-April 26, 2017 Synogen-RegenX License

Jul 14, 2025EXHIBITPETITIONER

Ex.1066-February 19, 2018 NeXtGen-RegenX Material Transfer Agreement

Jul 14, 2025EXHIBITPETITIONER

Ex.1077-August 15, 2022 RegenX License

Jul 14, 2025EXHIBITPETITIONER

Ex.1078-August 16, 2024 Notice of Termination

Jul 14, 2025EXHIBITPETITIONER

Ex.1079-August 19, 2024 RegenX Response

Jul 14, 2025EXHIBITPETITIONER

Ex.1080-August 26, 2024 Reply from NeXtGen

Jul 14, 2025EXHIBITPETITIONER

Ex.1087-Declaration of Elisabeth Corson

Jul 14, 2025EXHIBITPETITIONER

PET Opposition to Discretionary Denial Brief

Jul 14, 2025PAPERPETITIONER

Ex.1087-Declaration of Elisabeth Corson

Jul 14, 2025EXHIBITPETITIONER

Ex.1086-July 16, 2019 Letter from ISE

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

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

Jul 14, 2025EXHIBITPETITIONER

Motion to Seal and Enter Default Protective Order

Jul 14, 2025PAPERPETITIONER

Ex.1094-Default Protective Order

Jul 14, 2025EXHIBITPETITIONER

EX-2001 Asem - US6485969

Jun 13, 2025EXHIBITPATENT OWNER

EX-2002 Smith

Jun 13, 2025EXHIBITPATENT OWNER

EX-2003 Satoh

Jun 13, 2025EXHIBITPATENT OWNER

EX-2004 Seifert

Jun 13, 2025EXHIBITPATENT OWNER

EX-2005 Swann

Jun 13, 2025EXHIBITPATENT OWNER

EX-2006 Fife

Jun 13, 2025EXHIBITPATENT OWNER

EX-2007 Diegelmann

Jun 13, 2025EXHIBITPATENT OWNER

EX-2008 RegenX Science Website

Jun 13, 2025EXHIBITPATENT OWNER

EX-2009 Seifert

Jun 13, 2025EXHIBITPATENT OWNER

EX-2011 Block

Jun 13, 2025EXHIBITPATENT OWNER

EX-2012 Peck

Jun 13, 2025EXHIBITPATENT OWNER

EX-2013 Sen

Jun 13, 2025EXHIBITPATENT OWNER

EX-2014 US12311079

Jun 13, 2025EXHIBITPATENT OWNER

EX-2015 Sykes

Jun 13, 2025EXHIBITPATENT OWNER

EX-2016 Ali

Jun 13, 2025EXHIBITPATENT OWNER

EX-2017 US20250134801

Jun 13, 2025EXHIBITPATENT OWNER

EX-2018 Written Opinion

Jun 13, 2025EXHIBITPATENT OWNER

EX-2019 US20190255217

Jun 13, 2025EXHIBITPATENT OWNER

EX-2020 Declaration of G. Bencen

Jun 13, 2025EXHIBITPATENT OWNER

Patent Owner's Discretionary Brief

Jun 13, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Apr 14, 2025PAPERBOARD

Notice: Mandatory Notice

Apr 14, 2025PAPERPATENT OWNER

Notice: Power of Attorney

Apr 14, 2025PAPERPATENT OWNER

Notice: Mandatory Notice

Mar 11, 2025PAPERPATENT OWNER

Notice: Power of Attorney

Mar 11, 2025PAPERPATENT OWNER

Ex.1001 - U.S. Patent No. 11,660,376 [Corrected to Include Exhibit Stamps]

Feb 28, 2025EXHIBITPETITIONER

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

Feb 28, 2025EXHIBITPETITIONER

Ex.1001 - U.S. Patent No. 11,660,376

Feb 19, 2025EXHIBITPETITIONER

Ex.1003 - Badylak CV

Feb 19, 2025EXHIBITPETITIONER

Ex.1004 - File History of U.S. Patent No. 11,660,376

Feb 19, 2025EXHIBITPETITIONER

Ex.1005 - Badylak 2004

Feb 19, 2025EXHIBITPETITIONER

Ex.1006 - Badylak 2002

Feb 19, 2025EXHIBITPETITIONER

Ex.1007 - Chan

Feb 19, 2025EXHIBITPETITIONER

Ex.1008 - Badylak 2009

Feb 19, 2025EXHIBITPETITIONER

Ex.1009 - Hosbia 2010

Feb 19, 2025EXHIBITPETITIONER

Ex.1010 - Gilbert 2006

Feb 19, 2025EXHIBITPETITIONER

Ex.1013 - Allman

Feb 19, 2025EXHIBITPETITIONER

Ex.1012 - Hussey

Feb 19, 2025EXHIBITPETITIONER

Ex.1014 - Keane

Feb 19, 2025EXHIBITPETITIONER

Ex.1015 - Freyman

Feb 19, 2025EXHIBITPETITIONER

Ex.1016 - Bader

Feb 19, 2025EXHIBITPETITIONER

Ex.1017 - Ott

Feb 19, 2025EXHIBITPETITIONER

Ex.1018 - Ota

Feb 19, 2025EXHIBITPETITIONER

Ex.1019 - Naraghi

Feb 19, 2025EXHIBITPETITIONER

Ex.1020 - Penolazzi

Feb 19, 2025EXHIBITPETITIONER

Ex.1021 - Villalona

Feb 19, 2025EXHIBITPETITIONER

Ex.1022 - WO2008109407

Feb 19, 2025EXHIBITPETITIONER

Ex.1023 - Van Dyke

Feb 19, 2025EXHIBITPETITIONER

Ex.1024 - Stocum 2001

Feb 19, 2025EXHIBITPETITIONER

Ex.1025 - McCusker 2011

Feb 19, 2025EXHIBITPETITIONER

Ex.1026 - McGann

Feb 19, 2025EXHIBITPETITIONER

Ex.1027 - Keating

Feb 19, 2025EXHIBITPETITIONER

Ex.1028 - Stocum 1998

Feb 19, 2025EXHIBITPETITIONER

Ex.1029 - Roy

Feb 19, 2025EXHIBITPETITIONER

Ex.1030 - Levesque 2010

Feb 19, 2025EXHIBITPETITIONER

Ex.1032 - Gilbert 2005

Feb 19, 2025EXHIBITPETITIONER

Ex.1033 - Mendoza-Novelo

Feb 19, 2025EXHIBITPETITIONER

Ex.1031 - Seifert

Feb 19, 2025EXHIBITPETITIONER

Ex.1034 - Grandi

Feb 19, 2025EXHIBITPETITIONER

Ex.1035 - Santucci

Feb 19, 2025EXHIBITPETITIONER

Ex.1036 - Mazzitelli

Feb 19, 2025EXHIBITPETITIONER

Ex.1037 - Wood

Feb 19, 2025EXHIBITPETITIONER

Ex.1038 - Freytes

Feb 19, 2025EXHIBITPETITIONER

Ex.1039 - Wolf

Feb 19, 2025EXHIBITPETITIONER

Ex.1040 - Saldin

Feb 19, 2025EXHIBITPETITIONER

Ex.1041 - Furness

Feb 19, 2025EXHIBITPETITIONER

Ex.1042 - Shevchenko

Feb 19, 2025EXHIBITPETITIONER

Ex.1043 - Sill

Feb 19, 2025EXHIBITPETITIONER

Ex.1044 - Badylak 1995

Feb 19, 2025EXHIBITPETITIONER

Ex.1045 - Mase

Feb 19, 2025EXHIBITPETITIONER

Ex.1046 - Hong

Feb 19, 2025EXHIBITPETITIONER

Ex.1048 - Duan

Feb 19, 2025EXHIBITPETITIONER

Ex.1049 - Brown

Feb 19, 2025EXHIBITPETITIONER

Ex.1050 - Rammelt

Feb 19, 2025EXHIBITPETITIONER

Ex.1051 - Tu

Feb 19, 2025EXHIBITPETITIONER

Ex.1052 - Qi

Feb 19, 2025EXHIBITPETITIONER

Ex.1053 - Salvay

Feb 19, 2025EXHIBITPETITIONER

Ex.1054 - Sinani

Feb 19, 2025EXHIBITPETITIONER

Ex.1057 - Teebken

Feb 19, 2025EXHIBITPETITIONER

Ex.1058 - Dequach

Feb 19, 2025EXHIBITPETITIONER

Ex.1059 - Hayashi

Feb 19, 2025EXHIBITPETITIONER

Ex.1060 - Choi

Feb 19, 2025EXHIBITPETITIONER

Ex.1061 - De Flilippo

Feb 19, 2025EXHIBITPETITIONER

Ex.1062 - File History of U.S. Patent No. 10,617,790 (Part 1 of 5)

Feb 19, 2025EXHIBITPETITIONER

Ex.1062 - File History of U.S. Patent No. 10,617,790 (Part 2 of 5)

Feb 19, 2025EXHIBITPETITIONER

Ex.1062 - File History of U.S. Patent No. 10,617,790 (Part 3 of 5)

Feb 19, 2025EXHIBITPETITIONER

Ex.1062 - File History of U.S. Patent No. 10,617,790 (Part 4 of 5)

Feb 19, 2025EXHIBITPETITIONER

Ex.1055 - Dequach

Feb 19, 2025EXHIBITPETITIONER

Notice: Power of Attorney

Feb 19, 2025PAPERPETITIONER

Ex.1002 - Badylak Declaration

Feb 19, 2025EXHIBITPETITIONER

Petition: as filed

Feb 19, 2025PAPERPETITIONER

Ex.1062 - File History of U.S. Patent No. 10,617,790 (Part 5 of 5)

Feb 19, 2025EXHIBITPETITIONER