Topsoe, Inc. et al. vs. CASALE SA

Explore the PTAB proceeding IPR2025-01454 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

IPR2025-01454

Filing Date

2025-08-22

Accorded Filing Date

2025-08-22

Institution Decision Date

2026-02-10

Last Modified Date

2026-09-14

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

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

138

Patent Owner's Sur-Reply to Petitioner's Reply OTHER

2026-09-14 FILING PARTY: PATENT OWNER

Download

2017

Ex. 2017 Transcript of Ritter Deposition Exhibit

2026-09-08 FILING PARTY: PATENT OWNER

Download

Patent Owner's Reply in Support of Contingent Motion to Amend REPLY

2026-09-08 FILING PARTY: PATENT OWNER

Download

Patent Owner's Notice of Deposition of James Anthony Ritter NOTICE

2026-08-31 FILING PARTY: PATENT OWNER

Download

Patent Owner's Objections to Evidence OTHER

2026-08-25 FILING PARTY: PATENT OWNER

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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

Patent Owner's Sur-Reply to Petitioner's Reply OTHER

Ex. 2017 Transcript of Ritter Deposition Exhibit

Patent Owner's Reply in Support of Contingent Motion to Amend REPLY

Patent Owner's Notice of Deposition of James Anthony Ritter NOTICE

Patent Owner's Objections to Evidence OTHER

Patent Owner's Objections to Evidence OTHER

Patent Owner's Objections to Evidence OTHER

Authorized Response to Director Review Request OTHER

Ex.. 1068-Reply Declaration of Dr. James A. Ritter Exhibit

Ex. 1067-Wolden Dep. Ex. 4 Demonstrative Exhibit

Ex. 1045-Declaration of Svend Erik Nielsen Exhibit

Petitioner's Response to Patent Owner's Reply REPLYTOOPP

EX1066 - Deposition Transcript of Colin A. Wolden, Ph.D., July 23, 2026 Exhibit

EX1064 - U.S. Patent No. 5,068,058 Exhibit

Petitioner's Opposition to Patent Owner's Motion to Amend Claims OPPOSITION

EX1065 - Aasberg-Petersen et al., Synthesis Gas Production for FT Synthesis (2004) Exhibit

EX1063 - Declaration of James Ritter Ph.D. in Support of Petitioner's Opposition to Patent Owner's Motion to Amend Exhibit

Ex. 3105 Counsel email for authorized response Exhibit

Authorized Patent Owner Request for Director Review OTHER

Ex. 3104 PR2025-01454 - Request for Director Review of Sotera Stipulation Violation- Granted Exhibit

Petitioner's Notice of Deposition of Dr. Wolden NOTICE

Order: ORDER Denying Patent Owner’s Motion to Vacate and Terminate Proceedings 37 C.F.R. § 42.5 ORDER

Petitioner's Sur-Reply in Opposition to Patent Owner's Motion to Vacate and TErminate Proceedings OTHER

Ex. 1060 - Topsoe's Answer to Defendant's Answer to Second Amended Complaint and Counterclaims Exhibit

Ex. 1062 - Counterclaim Plaintiff Casale S.A.'s Rule 12(f) Motion to Strike Certain of Topsoe's Affirmative Defenses Exhibit

Ex. 1061 - Acting Director's Response to Petition for Writ of Mandamus in In re. Motorola Sol'ns, Inc. Exhibit

Patent Owner Reply in Support of Motion to Vacate and Terminate Proceedings REPLY

Petitioner's Motion to Seal MOTION

Ex. 1055 - Topsoe-0029994 (redacted) Exhibit

Ex. 1053 - Topsoe_0029861 (redacted) Exhibit

Ex. 1058 - Topsoe_0018096 (redacted) Exhibit

Petitioner's Opposition to Patent Owner's Motion to Vacate and Terminate Proceedings OPPOSITION

Ex. 1056 - Topsoe_0030024 (redacted) Exhibit

Ex. 1054 - Topsoe_0029879 (redacted) Exhibit

Ex. 1057 - Topsoe_0029982 (redacted) Exhibit

Ex. 1059 - Topsoe_0029869 (redacted) Exhibit

Patent Owner Motion to Vacate and Terminate Proceedings MOTION

Ex. 2014 - Topsoe’s Invalidity Contentions in Topsoe Inc. v. Casale SA, No. 3:24-cv-00033 Exhibit

Ex. 2013 - Topsoe Inc. v. Casale SA, No. 3:24-cv-00033 (S.D. Tex.) docket Exhibit

Motion to Seal Pursuant to Proposed Protective Order MOTION

Ex. 2015 - Joint Motion to Enter Agreed Scheduling Order and Docket Control Order, and Proposed Order Exhibit

From: Erin Kolter To: Trials Cc: Subject: Request for Conference Call regarding Proposed Motion in IPR2025-01454 Date, May 6, 2026 Exhibit

ORDER Authorizing Motion to Vacate and Terminate Proceedings ORDER

Panel Change Order ORDER

Petitioner's Updated Mandatory Notices NOTICE

Petitioners' Objections to Patent Owner's Evidence NOTICE

Ex 2012 EP17195305.2 Exhibit

Ex 2009 April 1, 2026 Decision Exhibit

Motion to Amend MOTION

Ex 2007 Declaration of Colin Wolden PhD Exhibit

Ex 2008 Transcript from Ritter Deposition Exhibit

Ex 2011 US20240208808 Exhibit

Ex 2010 WO2018149641 Exhibit

Patent Owner Response RESPONSE

Patent Owner's Updated Notice of Deposition of James Anthony Ritter, Ph.D NOTICE

Granting Motion to Withdraw and Substitute Counsel 37 C.F.R. § 42.10 ORDER

Patent Owner's Power of Attorney NOTICE

Patent Owner's Notice of Stipulation Regarding Due Dates NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Petitioner's Motion to Withdraw and Substitute Counsel MOTION

Petitioner's Updated Power of Attorney NOTICE

Petitioner's Updated Mandatory Notice NOTICE

Order: ORDER Conditionally Granting Patent Owner’s Motions for Pro Hac Vice Admission of Erin Kolter and Payton George 37 C.F.R. § 42.10(c) ORDER

Order: SCHEDULING ORDER ORDER

Patent Owner's Notice of Deposition of James Anthony Ritter, Ph.D. NOTICE