IP Verse

Microsoft Corporation - IPR2026-00326

Explore the PTAB proceeding IPR2026-00326 filed by Microsoft Corporation on Apr 3, 2026. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2026-00326
Filing Date
Apr 3, 2026
Petitioner
Microsoft Corporation
Status
Petition filed
Respondent Application Number
18892295
Respondent Tech Center
2400
Respondent Patent Number
12301628

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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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U.S. Patent No. 12,301,628

Apr 3, 2026EXHIBITPETITIONER

File History of U.S. Patent No. 12,301,628

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent No. 9,225,730

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2018/0219919A1

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2022/0014560A1

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2020/0296137A1

Apr 3, 2026EXHIBITPETITIONER

William Eberle & Lawrence Holder, Incremental Anomaly Detection in Graphs

Apr 3, 2026EXHIBITPETITIONER

Leman Akoglu et al., Graph Based Anomaly Detection Description: A Survey

Apr 3, 2026EXHIBITPETITIONER

Listing and Comparison of ’628 Patent Challenged Claims

Apr 3, 2026EXHIBITPETITIONER

Plaintiff Qomplx’s Preliminary Infringement Contentions

Apr 3, 2026EXHIBITPETITIONER

Defendant’s Preliminary Claim Constructions

Apr 3, 2026EXHIBITPETITIONER

Plaintiff Qomplx LLC’s Preliminary Disclosure of Proposed Claim Constructio

Apr 3, 2026EXHIBITPETITIONER

Microsoft Computer Dictionary

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2019/0081876A1

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2018/0069885A1

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent No. 10,909,241

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2018/0367548A1

Apr 3, 2026EXHIBITPETITIONER

Thomas H. Cormen, et al., Introduction to Algorithms

Apr 3, 2026EXHIBITPETITIONER

Redline Comparison of Crabtree to ’628 Patent Specification

Apr 3, 2026EXHIBITPETITIONER

Complaint For Patent Infringement, Qomplx LLC v. Microsoft Corp.

Apr 3, 2026EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2020/0177617A1

Apr 3, 2026EXHIBITPETITIONER

Breadth-First Search, Carnegie Mellon Univ. School of Computer Science

Apr 3, 2026EXHIBITPETITIONER

Power of Attorney of Petitioner Microsoft Corporation

Apr 3, 2026PAPERPETITIONER

Declaration of John R. Black, Jr.

Apr 3, 2026EXHIBITPETITIONER

Petition for Inter Partes Review of U.S. Patent No. 12,301,628

Apr 3, 2026PAPERPETITIONER