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Ascend Elements, Inc. vs Duesenfeld GmbH

The detailed information for PTAB case with proceeding number PGR2025-00037 filed by Ascend Elements, Inc. against Duesenfeld GmbH on Mar 7, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: PGR2025-00037
Filing Date: Mar 7, 2025
Petitioner: Ascend Elements, Inc.
Respondent: Duesenfeld GmbH
Status: Pending
Respondent Application Number: 16343224
Respondent Tech Center: 1700
Respondent Patent Number: 12119463

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.

Show Exhibit Documents

Document Name	Filing Date	Category	Filing Party
Alert me when new update on this case
Ascend Response to Discretionary Denial Brief	Jul 16, 2025	PAPER	PETITIONER
Patent Owner Preliminary Response	Jul 15, 2025	PAPER	PATENT OWNER
Ex. 2011 - Declaration of Vani Dantam	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2012 - Plöger Declaration	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2013 US11050097_B2 - Hanisch	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2014 - 097 Patent File History	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2015 US9450277_B2 - Dunagan	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2016 - US5632863_A - Meador	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2017 - Gao - 2009	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2018 - Hanisch 419	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2019 - [Dkt. 062] Order Enters Agreed Constructions for ' 097	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2020 - Institution Decision (IPR2024-00948 Ascend)	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2021- Electrocycling Patent -- (English)	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2022- Electrocycling Patent -- German	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2023- Electrocycling Patent -- Translation Certificate	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2024 - US7198865_B2 - Sloop	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2025- WO002010149611A1 -- (English)	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2026 - WO002010149611A1 (German)	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2027 - WO002010149611A1 -- Translation Certificate	Jul 15, 2025	EXHIBIT	PATENT OWNER
Ex. 2028 - Prelim. Guidance - PO's Motion to Amend (IPR2024-00948)	Jul 15, 2025	EXHIBIT	PATENT OWNER
Patent Owner's Discretionary Denial Brief	Jun 16, 2025	PAPER	PATENT OWNER
Exhibit 2001 - 2025.06.15 Declaration of Vani Dantam	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2002 - Dictionary excerpts	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2003 - Ascend's Initial Invalidity Contentions	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2004 - Walter van Schalkwijk , PhD - Deposition Tr. 02-06-2025	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2005 - Paper 1 Petition for Inter Partes Review (IPR2024-00948)	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2006 - REDACTED Ascend Reply to PO Response (IPR2024-00948)	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2007 - [Dkt 050] Joint Claim Construction Chart	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2008 - Merriam-Webster's Dictionary excerpt	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2009 - Volker Spies Deposition Transcript	Jun 16, 2025	EXHIBIT	PATENT OWNER
Exhibit 2010 - Spies Deposition Exhibit 1026 (06-13-2025)	Jun 16, 2025	EXHIBIT	PATENT OWNER
Notice: Notice filing date accorded	Apr 15, 2025	PAPER	BOARD
Notice: Mandatory Notice	Mar 18, 2025	PAPER	PATENT OWNER
Notice: Power of Attorney	Mar 18, 2025	PAPER	PATENT OWNER
Notice: Power of Attorney	Mar 7, 2025	PAPER	PETITIONER
U.S. Patent No. 12,119,463	Mar 7, 2025	EXHIBIT	PETITIONER
Patent Prosecution History for U.S. Patent No. 12,119,463	Mar 7, 2025	EXHIBIT	PETITIONER
Japanese Patent App. Pub. JPHI0255861 ("Tomioka")	Mar 7, 2025	EXHIBIT	PETITIONER
Translation of Tomioka	Mar 7, 2025	EXHIBIT	PETITIONER
Certification for translation of Tomioka	Mar 7, 2025	EXHIBIT	PETITIONER
Japanese Patent App. Pub. JP2016080284A ("Yosuke")	Mar 7, 2025	EXHIBIT	PETITIONER
Translation of Yosuke	Mar 7, 2025	EXHIBIT	PETITIONER
Certification for translation of Yosuke	Mar 7, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 9,843,077 ("Hayashi")	Mar 7, 2025	EXHIBIT	PETITIONER
Kwade et al., LithoRec: Recycling lithium-ion batteries	Mar 7, 2025	EXHIBIT	PETITIONER
Translation of LithoRec	Mar 7, 2025	EXHIBIT	PETITIONER
Certification of translation of LithoRec	Mar 7, 2025	EXHIBIT	PETITIONER
U.S. Patent App. Pub. No. US 2008/0050295 A1 ("Uchida")	Mar 7, 2025	EXHIBIT	PETITIONER
Perry et al., Perry's Chemical Engineers' Handbook (7th Ed.)	Mar 7, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 11,050,097	Mar 7, 2025	EXHIBIT	PETITIONER
'097 Institution Decision	Mar 7, 2025	EXHIBIT	PETITIONER
'097 Patent Owner Response	Mar 7, 2025	EXHIBIT	PETITIONER
Declaration of Sylvia Hall-Ellis, Ph.D.	Mar 7, 2025	EXHIBIT	PETITIONER
U.S. Patent App. Pub. No. US 2014/0290438 A1 ("Hanisch")	Mar 7, 2025	EXHIBIT	PETITIONER
Stay Order (1:23-cv-01194-JFM)	Mar 7, 2025	EXHIBIT	PETITIONER
Han et al., Lithium-ion hopping weakens thermal stability	Mar 7, 2025	EXHIBIT	PETITIONER
Nitta et al., Li-ion ballery materials: present and future	Mar 7, 2025	EXHIBIT	PETITIONER
Solef® PVDF Typical Properties, Solvay Brochure	Mar 7, 2025	EXHIBIT	PETITIONER
Lu et al., Thermal behavior and decomposition kinetics	Mar 7, 2025	EXHIBIT	PETITIONER
Yang et al., Thermal stability of LiPF6 salt and Li-ion battery electrolyte	Mar 7, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 5,691,077	Mar 7, 2025	EXHIBIT	PETITIONER
IPR2024-00887 Patent Owner Response	Mar 7, 2025	EXHIBIT	PETITIONER
Declaration of Marc Juzkow	Mar 7, 2025	EXHIBIT	PETITIONER
Petition: as filed	Mar 7, 2025	PAPER	PETITIONER