Topsoe, Inc. et al. vs. CASALE SA

Explore the PTAB proceeding IPR2025-01455 filed by Topsoe, Inc. et al. on 2025-08-22. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01455

Filing Date

2025-08-22

Accorded Filing Date

2025-08-22

Institution Decision Date

2025-12-18

Last Modified Date

2026-03-13

Proceeding Type

IPR

Termination Date

2025-12-18

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Topsoe, Inc. et al.

Represented By

Riddle, Robertet al

Patent Owner / Respondent

CASALE SA

Represented By

Collard, Caseet 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 16485695

Respondent Patent Number 11286168

External Links

Espacenet

Google Patents

Respondent Inventor Francesco Baratto et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

41 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Ballard Spahr LLP - Intellectual Property Department - SLC

Customer Number 116407

Address 999 Peachtree Street, Suite 1600, Atlanta, GA, 30309-4421, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28084	Stuart Hemphill	612-340-2734
33236	L Foster	801-799-5830
38260	Lee Osman	303-629-3434
39747	Kenneth Levitt	612-340-2755
43605	Kimton Eng	206-903-8800
48873	Bryan Pratt	801-933-4074
50258	Marcus Simon	801-933-7360
51432	Aaron Barker	801-933-8931
51466	Matthew Bethards	801-328-3131
51632	Angela Dralle	515-283-1000
54624	Fara Sunderji	212-415-9200
56904	Bridget Hayden	612-492-6867
59319	Jason Mccammon	801-428-6991
59432	Brandon Hegstrom	603-228-0611
60119	Richard Green	801-487-4885
61073	Rabea Zayed	612-492-6711
62668	Nathaniel Longley	612-492-6859
63073	Michael Rasmussen	720-413-2130
64299	Kerith Kanaber	303-628-1513
64336	Gina Cornelio	303-352-1170
65335	Jonathan Rowe	801-933-7360
65864	Jordan Olsen	801-933-4055
67963	Jeremy Barton	801-328-3131
68075	Kerry Andken	206-903-8841
68559	Matthew Jonsen	303-352-1178
68918	Nathan Orme	801-933-4018
69039	Joshua Hoggard	801-933-4027
72121	Paul Fraulo	516-248-0300
72333	Shannon Haen	303-607-3546
72901	Case Collard	303-629-3400
73000	Steven Swan	435-252-1360
74470	Amy Gustafson	612-492-5388
74968	Erik Nyre	612-492-6845
74980	Andrew Wasden	801-231-4103
77003	Casey Mock	518-894-4482
77366	Austen Paulsen	801-933-7360
77428	Christopher Ainscough	303-352-1123
77905	Nathan Searcy	801-933-8924
78299	Tina Choi	206-903-8781
78764	Andrew Carpenter	303-352-1110
83009	Jack Chmura	303-629-3400

Proceeding Documents

Notice of Refund NOTICE

2026-03-13 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-02-04 FILING PARTY: PETITIONER

Download

3101

Email Correspondence Exhibit

2025-12-19 FILING PARTY: BOARD

Download

Director Discretionary Decision: Deny RESPONSE

2025-12-18 FILING PARTY: BOARD

Download

Petitioner's Updated Power of Attorney NOTICE

2025-12-05 FILING PARTY: PETITIONER

Download

Topsoe, Inc. et al. vs. CASALE SA

Proceeding Overview

Parties & Counsel

Petitioner

Topsoe, Inc. et al.

Represented By

Patent Owner / Respondent

CASALE SA

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Refund NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Email Correspondence Exhibit

Director Discretionary Decision: Deny RESPONSE

Petitioner's Updated Power of Attorney NOTICE

Petitioner's Updated Mandatory Notices Under 37 C.F.R. Section 42.8 NOTICE

Patent Owner's Preliminary Response POPR

Declaration of Colin A. Wolden Exhibit

CV of Colin A. Wolden Exhibit

Petitioner's Opposition to Patent Owner's Discretionary Denial Brief RESPONSE

PO Discretionary Denial Brief RESPONSE

Ex. 2002 - REDACTED 2024-05-03 - Casale S.A.'s First Set of Requests for Production_Redacted Exhibit

Ex. 2004 - 2025-19580 Exhibit

Ex. 2003 - DC CM_ECF LIVE- US District Court-Texas Southern Exhibit

Ex. 2001 - 2024-05-02 ECF 28 First Amended Complaint With Jury Demand Exhibit

Notice: Mandatory Notice NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Ex 1003-Prosecution History ’168 Patent Supp Examination No. 96/000,424-P2 Exhibit

Ex 1023 - National Academy of Engineering. The Hydrogen Economy Exhibit

Ex 1027 - G. R. Maxwell, Synthetic Nitrogen Products Exhibit

Ex 1016 - R. P. Sharma, Purge gas as feed in ammonia plant Exhibit

Ex 1035 - L. Eide and D. Bailey, Precombustion decarbonization Process Exhibit

Ex 1008 - US 6,809,121 (Rytter) Exhibit

Ex 1024 - T. Rostrup-Nielsen, Manufacture of Hydrogen Exhibit

Ex 1038 - Synthesis gas production for FT synthesis Exhibit

Ex 1015 - Carbon Dioxide Capture and Storage Exhibit

Ex 1020 - 2025/04/05 Mina Ching Declaration Regarding Lako Exhibit

Ex 1011 - U.S. Pub. No. 2002/0143219 (Price) Exhibit

Ex 1003-Prosecution History ’168 Patent Supp Examination No. 96/000,424-P4 Exhibit

Ex 1009 - US 8,137,422 (Licht) Exhibit

Ranking and Explanation Of Material Differences Between Multiple Petitions NOTICE

Ex 1005 - Expert Declaration of Petitioners’ Expert, Dr. James A. Ritter Exhibit

Ex 1013 - US 4,681,745 (Pinto) Exhibit

Ex 1003-Prosecution History ’168 Patent Supp Examination No. 96/000,424-P5 Exhibit

Ex 1041 - Improve syngas production using autothermal reforming Exhibit

Ex 1036 - H. Hiller et al., Gas Production Exhibit

Ex 1004 - CV of Petitioners’ Expert, Dr. James A. Ritter Exhibit

Petition for Inter Partes Review of U.S. Patent No. 11,286,168 PETITION

Ex 1037 - A. Nielsen (ed.), Ammonia Catalysis and Manufacture Exhibit

Ex 1030 - U.S. Pat. No. 9,683,176 (Christensen) Exhibit

Ex 1040 - US 10,941,038 (Jensen) Exhibit

Ex 1006-S.E. Nielsen Future Energy Efficiency and CO2 Reduction Potential Exhibit

Ex 1007 - US 2012/0292574 (Terrien) Exhibit

Ex 1032 - U.S. Pat. No. 8,580,153 (Vauk) Exhibit

Ex 1042 - State-of-the art adsorption and membrane separation processes Exhibit

Ex 1025 - U.S. Pat. No. 7,682,597 (Blumenfeld) Exhibit

Ex 1017-IFA Technical Committee Meeting Energy Efficiency and CO2 Reduction Exhibit

Ex 1031 - US2009/0184294 (Han) Exhibit

Ex 1003-Prosecution History ’168 Patent Supp Examination No. 96/000,424-P1 Exhibit

Ex 1019 - 2025/06/25 Mina Ching Declaration Re 2007 IFA Technical Meeting Exhibit

Ex 1001 - U.S. Patent No. 11,286,168 with reexamination certificate Exhibit

Ex 1003-Prosecution History ’168 Patent Supp Examination No. 96/000,424-P3 Exhibit

Ex 1033 - A.D. Ebner and J. A. Ritter, State-of-the art adsorption Exhibit

Ex 1010 - US 6,505,467 (Fjellhaug) Exhibit

Ex 1014 - M. Appl, Ammonia Principles and Industrial Practice Exhibit

Ex 1002 - Prosecution History of the ’168 Patent Exhibit

Ex 1034 - U.S. Pat. No. 9,028,794 (Darde) Exhibit

Ex 1012 U.S. Patent No. US 8,309,617 (Ji) Exhibit

Ex 1043 - Alternative technologies to steam-methane reforming Exhibit

Ex 1028 - U.S. Pat. No. 9,353,022 (Lindell) Exhibit

Notice: Power of Attorney NOTICE