Microsoft Corporation vs. ParTec AG

Explore the PTAB proceeding IPR2025-00318 filed by Microsoft Corporation on 2024-12-20. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00318

Filing Date

2024-12-20

Accorded Filing Date

2024-12-20

Institution Decision Date

2025-07-08

Last Modified Date

2026-05-18

Proceeding Type

IPR

Termination Date

2026-05-18

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Mason, Andrewet al

Patent Owner / Respondent

ParTec AG

Represented By

Heim, Michaelet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2100 - Computer Architecture & Software

Patent Information

1 Patent Involved

Respondent Application Number 16963749

Respondent Patent Number 11537442

External Links

Espacenet

Google Patents

Respondent Inventor Thomas Lippert et al

Respondent Tech Center TC 2100 - Computer Architecture & Software

Address and Attorney/Agent Information

77 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MARSHALL, GERSTEIN & BORUN LLP

Customer Number —

Address 233 SOUTH WACKER DRIVE, 6300 WILLIS TOWER, CHICAGO, IL, 60606-6357, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28491	James Zeller	312-474-6300
31879	Jeffrey Sharp	312-474-6300
32254	Richard Labarge	312-474-6300
32361	James Napoli	312-474-6300
34824	Robert Gerstein	312-474-6300
35302	Greta Noland	312-474-6300
37641	Roger Heppermann	312-474-6300
38153	David Gass	312-474-6300
38359	Michael Weiner	312-474-6300
39257	Jeremy Kriegel	312-474-6300
39811	David Read	312-474-6300
40725	William Merkel	312-474-6300
43032	Elaine Ramesh	312-474-6300
43136	Gregory Smith	312-474-6300
43603	Joshua Elliott	312-474-6300
43848	Sandip Patel	312-474-6300
44684	Kevin Flowers	312-474-6300
45790	Heather Kissling	312-474-6300
45887	Randall Rueth	312-474-6300
46130	Andrew Lawrence	312-474-6300
46674	Meggan Duffy	312-474-6300
47678	Mark Izraelewicz	312-474-6300
47970	Paul Stephens	312-474-6300
48484	Sharon Sintich	312-474-6300
48642	Michael Muczynski	312-474-6300
51584	Pamela Cox	312-474-6300
52664	Eric Brusca	312-474-6300
53066	Lynn Janulis	312-474-6300
53171	John Labbe	312-474-6300
53379	Katherine Neville	312-474-6300
55064	Michael Chinlund	312-474-6300
56301	Jeanne Brashear	312-474-6300
57712	Shelley Danek	312-474-6300
58495	Michael Furmanek	312-474-6300
60674	Ryan Phelan	312-474-6300
61082	Matthew Carey	312-474-6300
61192	Daniel Chavka	312-474-6300
61681	Jeremy Protas	312-474-6300
61889	Steven Parks	312-474-6300
62856	Raymond Ricordati Iii	312-474-6617
63549	Michael Allikian	312-474-6300
64050	Andrew Bateman	402-933-0304
64192	Joseph Sakevich	312-474-6300
64514	Lilian Ficht	312-474-6300
64594	Jennifer Burnette	312-474-6300
64635	Derek Barnett	312-474-6300
64864	Katharine Su	312-474-6300
65275	Ryan Schermerhorn	312-474-6300
66014	Matthew Jorge	312-474-6300
66234	Tiffany Gehrke	312-474-6300
66337	William Samore	312-474-6641
66913	Vyacheslav Elkin	312-474-6300
67464	Theresa Stadheim	612-743-4498
69622	Jacqueline Felda	312-474-6300
69942	Conor Hunt	312-474-6300
71172	Cameron Pick	312-474-6300
71868	Nicholas Terrell	312-474-6300
74556	Jonathan Hughley	312-474-6622
74659	Michael Anderson	312-474-6300
74672	Noah Tilton	1-302-355-4243
74887	Shannon Mastick	224-805-6800
75141	Alden Voelker	312-423-3444
77550	Robert Jacobson	312-423-3432
77681	Thomas Burns	773-687-8577
78358	Kevin Piotrowski	312-474-9567
78390	Stephen Kudla	312-474-9569
78795	Stefan Brooks	312-474-6300
79836	Robert Johnson	312-423-3464
80725	Carolyn Clark	859-492-8926
81071	Alan Shramuk	312-474-6300
81252	Gabrielle Sue	650-888-2336
82273	Qixuan Wang	312-423-3443
82378	Matthew Nealon	312-423-3453
82451	Ria Patel	813-528-6877
82524	Ryan Slechta	312-474-6300
83235	Christopher Zahn	312-423-3459
L1405	Shuang Liu	312-423-3457

Proceeding Documents

TERMINATION Due to Settlement After Institution of Trial 35 U.S.C. § 317; 37 C.F.R. §§ 42.74 TERMINATE

2026-05-18 FILING PARTY: BOARD

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Other: Hearing transcript OTHER

2026-05-13 FILING PARTY: BOARD

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Joint Request to Treat the Parties' Settlement Agreement as Business Confidential Information (corrected) MOTION

2026-05-13 FILING PARTY: PETITIONER

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Joint Request to Treat the Parties' Settlement Agreement as Business Confidential Information MOTION

2026-05-13 FILING PARTY: PETITIONER

Download

Joint Motion to Terminate Proceeding MOTION

2026-05-13 FILING PARTY: PETITIONER

Download

Microsoft Corporation vs. ParTec AG

Proceeding Overview

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Patent Owner / Respondent

ParTec AG

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

TERMINATION Due to Settlement After Institution of Trial 35 U.S.C. § 317; 37 C.F.R. §§ 42.74 TERMINATE

Other: Hearing transcript OTHER

Joint Request to Treat the Parties' Settlement Agreement as Business Confidential Information (corrected) MOTION

Joint Request to Treat the Parties' Settlement Agreement as Business Confidential Information MOTION

Joint Motion to Terminate Proceeding MOTION

Ex. 3004 Exhibit

Ex. 3005 Exhibit

Petitioner's Demonstratives OTHER

Patent Owner's Demonstratives OTHER

Ex. 3003 Exhibit

Panel Change Order ORDER

Petitioner's Updated Exhibit List NOTICE

Ex. 3001 Exhibit

Claim Construction Order, Partec AG, et al., v. Microsoft Corporation, Case No. 2:24-cv-00433-RWS-RSP (E.D. Tex., Feb. 17, 2026) Exhibit

Ex. 3002 Exhibit

Order: Setting Oral Argument 37 C.F.R. sec. 42.70 ORDER

Patent Owner's Request for Oral Argument OTHER

Petitioner's Request for Oral Argument OTHER

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

Patent Owner's Objections to Petitioner's Evidence OTHER

Intel Xeon Processor E5 v4 Product Family Datasheet (June 2016) Exhibit

Digital Technical Journal Exhibit

Petitioner's Reply to the Patent Owner Response REPLYTOOPP

Defendant Microsoft Corporation’s Responsive Claim Construction Brief, Partec AG, et al., v. Microsoft Corporation, Case No. 2:24-cv-00433-RWS-RSP (E.D. Tex., Nov. 14, 2025) Exhibit

Reply Declaration of Darrell Long dated December 22, 2025 Exhibit

Intel Xeon Phi Coprocessor x200 Product Family Datasheet (Apr. 2017) Exhibit

Transcript of Deposition of David R. Kaeli, Ph.D. dated December 9, 2025 Exhibit

Mellanox InfiniBand FAQ (Dec. 2014) Exhibit

Petitioner's Notice of Deposition of David Kaeli NOTICE

Petitioner's Objection to Patent Owner's Evidence OTHER

PO Response to Petition RESPONSE

EX 2016 (Am. Heritage Dictionary definition "portion) Exhibit

EX 2018 (ParTec partners with HDRZ article) Exhibit

EX 2020 (Depo Testimony of D. Long) Exhibit

EX 2019 (ParTec and HZDR to Build AI Supercomputer article) Exhibit

EX 2021 (Dec. of David Kaeli) Exhibit

EX 2017 (Def. of Research and Development Article) Exhibit

EX 2022 (Deposition Exhibits) Exhibit

General Order: Related Matters Updates ORDER

PO's Depo Notice of Dr. Long NOTICE

Petitioner's Objection to Patent Owner's Evidence OTHER

PO Objections to Petitioner's Evidence OTHER

Decision Granting Institution of Inter Partes Review DECISION

Scheduling Order ORDER

Director Discretionary Decision: Refer RESPONSE

Petitioner's Opposition to Patent Owner's Bifurcated Discretionary Denial Briefing RESPONSE

Judge Schroeder Calendar Events June 15, 2026 Exhibit

Petitioner Sotera Stipulation Exhibit

EX2002 (Second Amended Docket Control Order, Dkt. No. 48, ParTec AG et al vs. Microsoft Corporation, No. 2:24-cv-433 (E.D. Tex. filed April 9, 2025)) Exhibit

EX 2010 (Curriculum Vitae for Dr. David Kaeli) Exhibit

EX 2012 (The DEEP-ER project: I/0 and resiliency extensions for the Cluster-Booster architecture, Anke Kreuzer et al., 2018) Exhibit

EX 2009 (Declaration of Dr. David Kaeli in Support of Patent Owner's Preliminary Response) Exhibit

Patent Owner's Bifurcated Discretionary Denial Briefing Pursuant to the Director's March 26, 2025 Memorandum RESPONSE

EX 2013 (NVIDIA GeForce RTX 2080 Ti Specs I TechPowerUp GPU Database website, accessed April 11, 2025) Exhibit

EX2006 (US Pub 2017/0262319 A1) Exhibit

EX 2015 (Practice and Experience in using Parallel and Scalable Machine Learning with Heterogenous Modular Supercomputing Architectures, Morris Riedel et al., 2021) Exhibit

EX2007 (Clauss, et al., Dynamic Process Management with Allocation-Internal Co-Scheduling towards Interactive Supercomputing) Exhibit

EX 2011 (List of Cases for Dr. David Kaeli) Exhibit

EX 2001 (Complaint for Patent Infringement, ParTec AG et al vs. Microsoft Corporation, No. 2:24-cv-433 (E.D. Tex. filed June 10, 2024)) Exhibit

EX 2008 (PDF comparison of Petition Sections VII.C.1.c and VII.C.9.e against EX1003 Sections X.C.1.c and X.C.9.e) Exhibit

Patent Owner's Preliminary Response POPR

EX 2014 (Efficient Data-parallel Distributed DNN Training for Big Dataset under Heterogeneous GPU Cluster, Shinyoung Ahn et al., 2024 IEEE International Conference on Big Data) Exhibit

EX2003 (US District Courts - Nat'l Judicial Caseload Profile) Exhibit

EX2005 (Microsoft's March 6, 2025 Invalidity Contentions) Exhibit

EX2004 (Microsoft's October 30, 2024 Preliminary Invalidity Contentions) Exhibit