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Topsoe, Inc. et al. vs L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDE

Explore the PTAB proceeding IPR2025-01173 filed by Topsoe, Inc. et al. against L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDE on Jul 2, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-01173
Filing Date
Jul 2, 2025
Petitioner
Topsoe, Inc. et al.
Respondent
L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDE
Status
Pending
Respondent Application Number
17399277
Respondent Tech Center
1700
Respondent Patent Number
11673805

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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Notice: Mandatory Notice

Jul 10, 2025PAPERPATENT OWNER

Notice: Power of Attorney

Jul 10, 2025PAPERPATENT OWNER

Notice filing date accorded to petition

Jul 9, 2025PAPERBOARD

U.S. Patent No. 11,673,805

Jul 2, 2025EXHIBITPETITIONER

File History of U.S. Patent No. 11,673,805

Jul 2, 2025EXHIBITPETITIONER

CV of Prof. Dr.-Ing. Harald Klein

Jul 2, 2025EXHIBITPETITIONER

Cotton, B. (2019) "Clean Hydrogen. Part 1: Hydrogen from Natural Gas..."

Jul 2, 2025EXHIBITPETITIONER

Patwardhan et al. (2013) "Optimised hydrogen production by steam..."

Jul 2, 2025EXHIBITPETITIONER

Appl, M. (1997) "Ammonia Methanol Hydrogen Carbon Monoxide..."

Jul 2, 2025EXHIBITPETITIONER

Aasberg-Petersen et al. (2011) “Natural gas to synthesis gas..."

Jul 2, 2025EXHIBITPETITIONER

Technology Handbook (Air Liquide, Engineering and Construction. Ed.)...

Jul 2, 2025EXHIBITPETITIONER

Riquarts et al. (1985) "Gas separation using pressure swing absorption..."

Jul 2, 2025EXHIBITPETITIONER

Xu et al. (2014) "An Improved CO2 Separation and Purification System..."

Jul 2, 2025EXHIBITPETITIONER

Keshavarz et al. (2019) "Cryogenic CO2 Capture,” in Sustainable Agri..."

Jul 2, 2025EXHIBITPETITIONER

U.S. Patent Publication No. 2012/0291484 to Terrien et al.

Jul 2, 2025EXHIBITPETITIONER

J. R. Rostrup-Nielsen (1993) "Production of Synthesis Gas"

Jul 2, 2025EXHIBITPETITIONER

J. R. Rostrup-Nielsen (2002) "Syngas in perspective"

Jul 2, 2025EXHIBITPETITIONER

U.S. Patent Publication No. 2023/0119784 to Reinertsen et al.

Jul 2, 2025EXHIBITPETITIONER

PCT Publication WO 2014/091098 to Darde et al.

Jul 2, 2025EXHIBITPETITIONER

Certified Translation of Darde

Jul 2, 2025EXHIBITPETITIONER

PCT Publication WO 2019/162236 to Rytter et al.

Jul 2, 2025EXHIBITPETITIONER

File history for UK patent application GB2592681

Jul 2, 2025EXHIBITPETITIONER

File history for UK patent application GB2592695

Jul 2, 2025EXHIBITPETITIONER

K. Aasberg-Petersen et al. (2004) “Synthesis gas production for FT syn..."

Jul 2, 2025EXHIBITPETITIONER

Declaration of Prof. Dr. Harald Klein

Jul 2, 2025EXHIBITPETITIONER

Petition: as filed

Jul 2, 2025PAPERPETITIONER

Notice: Power of Attorney

Jul 2, 2025PAPERPETITIONER

Petitioner's Explanation and Ranking of Multiple Petitions

Jul 2, 2025PAPERPETITIONER