IP Verse

Halozyme, Inc. v. Alteogen Inc. - IPR2026-00176

Explore the PTAB proceeding IPR2026-00176 filed by Halozyme, Inc. against Alteogen Inc. on Dec 10, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2026-00176
Filing Date
Dec 10, 2025
Petitioner
Halozyme, Inc.
Respondent
Alteogen Inc.
Status
Institution Denied
Respondent Application Number
17907538
Respondent Tech Center
1600
Respondent Patent Number
12221638
Institution Decision Date
May 15, 2026
Termination Date
May 15, 2026

Decision Documents New

Decision pending - set alert to receive updates

Counsels Involved New

Details of counsels involved in proceeding number IPR2026-00176.

TypeName
Petitioner CounselRosato, Michaelet al
Respondent CounselFeldstein, Market al

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.