Fresenius Kabi SwissBiosim, GmbH et al. vs. Regeneron Pharmaceuticals, Inc.
Explore the PTAB proceeding IPR2025-01269 filed by Fresenius Kabi SwissBiosim, GmbH et al. on 2025-07-14. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2025-01269
Filing Date
2025-07-14
Accorded Filing Date
2025-07-14
Institution Decision Date
2026-01-09
Last Modified Date
2026-03-09
Proceeding Type
IPR
Termination Date
2026-01-09
Trial Status
Institution Denied
Parties & Counsel
Petitioner
Fresenius Kabi SwissBiosim, GmbH et al.
Represented By
Aly, Imronet alPatent Owner / Respondent
Regeneron Pharmaceuticals, Inc.
Represented By
Berl, Davidet alTribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 1600 - Biotechnology & Organic Chemistry
Patent Information
Respondent Application Number
16159282
Respondent Patent Number
10828345
External Links
Respondent Inventor
George D. Yancopoulos
Respondent Tech Center
TC 1600 - Biotechnology & Organic Chemistry
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
A&P - Regeneron (Prosecution)
Customer
Number
191459
Address
601 Massachusetts Ave., NW, Washington, DC, 20001-3743, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 41408 | David Marsh | 202-942-5068 |
| 48001 | Thomas Triolo | 914-847-1612 |
| 48921 | Stephen Gaudet | 914-847-7376 |
| 50370 | Neil Miyamoto | 914-847-7175 |
| 50437 | Frank Cottingham | 914-593-1116 |
| 58583 | Brian Cocca | 914-847-1421 |
| 58714 | Ilona Gont | 914-847-1304 |
| 59668 | Brandon Schurter | 914-847-7000 |
Proceeding Documents
99
14
Notice: refund approved NOTICE
2026-03-09
FILING PARTY: BOARD
13
Petitioner's Request for Refund of Post-Institution Fees OTHER
2026-02-26
FILING PARTY: PETITIONER
12
Institution Decision: Deny DECISION
2026-01-09
FILING PARTY: BOARD
11
Director Discretionary Decision: Refer RESPONSE
2025-11-20
FILING PARTY: BOARD
10
Petitioner's Sur-Reply in Opposition to Patent Owner's Request for Discretionary Denial OTHER
2025-11-05
FILING PARTY: PETITIONER