IP Verse

Conjupro Biotherapeutics, Inc. et al. vs Ascletis Pharma China Co. Ltd.

Explore the PTAB proceeding PGR2025-00057 filed by Conjupro Biotherapeutics, Inc. et al. against Ascletis Pharma China Co. Ltd. on Jun 20, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
PGR2025-00057
Filing Date
Jun 20, 2025
Petitioner
Conjupro Biotherapeutics, Inc. et al.
Respondent
Ascletis Pharma China Co. Ltd.
Status
Pending
Respondent Application Number
18884965
Respondent Tech Center
1600
Respondent Patent Number
12234236

Proceeding Decision New

Decision pending - set alert to receive updates

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

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Patent Owner’s Notice of Intent to Designate a Provisionally Recognized PTAB Attorney as Back-Up Counsel Pursuant to 37 CFR § 42.10(c)(2)

Jul 18, 2025PAPERPATENT OWNER

Declaration of Geoffrey D. Biegler Pursuant to 37 CFR § 42.10(c)(2)

Jul 18, 2025EXHIBITPATENT OWNER

Patent Owner’s Exhibit List

Jul 18, 2025PAPERPATENT OWNER

Notice: Mandatory Notice

Jul 9, 2025PAPERPATENT OWNER

Notice: Power of Attorney

Jul 9, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Jul 8, 2025PAPERBOARD

U.S. Patent No. 12,234,236

Jun 20, 2025EXHIBITPETITIONER

Kawai, et al., Proc Natl Acad Sci U S A., 117(47):29959-29967 (2020)

Jun 20, 2025EXHIBITPETITIONER

International Publication No. WO 2025/026270A1

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202311372605.9 (“Su II”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 20231137260.9

Jun 20, 2025EXHIBITPETITIONER

U.S. Patent No. 10,858,356 to Yoshino, et al (“Yoshino”)

Jun 20, 2025EXHIBITPETITIONER

Talele, Journal of Medicinal Chemistry, 59(19):8712–8756 (2016) (“Talele”)

Jun 20, 2025EXHIBITPETITIONER

Liu, et al., Expert Opinion on Therapeutic Patents, 30(10):781-794 (2020)

Jun 20, 2025EXHIBITPETITIONER

Pratt, et al., Diabetes Obes Metab., 25(9):2642-2649 (2023)

Jun 20, 2025EXHIBITPETITIONER

Frias, et al., Lancet, 402(10400):472–483 (2023)

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202311371725 (“the ’725 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 202311371725

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202311189557 (“the ’557 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 202311189557

Jun 20, 2025EXHIBITPETITIONER

U.S. Patent Provisional App. No. US 63/538,892 (“the ’892 Provisional")

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202410142451 (“the ’451 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 202410142451

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202311582240 (“the ’240 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 202311582240

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Application No. 202311686034 (“the ’034 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent App. No. 202311686034

Jun 20, 2025EXHIBITPETITIONER

U.S. Patent Provisional Application No. 63/545,615 (“the ’615 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

U.S. Patent Provisional Application No. 63/603,854 (“the ’854 Provisional”)

Jun 20, 2025EXHIBITPETITIONER

Patel & Burns, J Am Chem Soc., 144(39):17797-17802 (2022) (“Patel”)

Jun 20, 2025EXHIBITPETITIONER

Pennington & Moustakas, J Med Chem., 60(9):3552-3579 (2017)

Jun 20, 2025EXHIBITPETITIONER

Chinese Patent Publication No. CN117069743A (“Meng”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of Chinese Patent Publication No. CN117069743

Jun 20, 2025EXHIBITPETITIONER

U.S. Patent No. 12,037,339 (“Ren”)

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of International Publication No. WO 2025/0262

Jun 20, 2025EXHIBITPETITIONER

Certified English Translation of International Pub. No. WO 2025/026272

Jun 20, 2025EXHIBITPETITIONER

Excerpts of File History of U.S. Patent No. 12,234,236

Jun 20, 2025EXHIBITPETITIONER

Declaration of Michael C. Pirrung, Ph.D.

Jun 20, 2025EXHIBITPETITIONER

Petition: as filed

Jun 20, 2025PAPERPETITIONER

Notice: Power of Attorney

Jun 20, 2025PAPERPETITIONER