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IP Verse

Samsung Electronics Co. Ltd. et al. v. Maxell, Ltd. - IPR2025-01312

Explore the PTAB proceeding IPR2025-01312 filed by Samsung Electronics Co. Ltd. et al. against Maxell, Ltd. on Aug 29, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-01312
Filing Date
Aug 29, 2025
Petitioner
Samsung Electronics Co. Ltd. et al.
Respondent
Maxell, Ltd.
Status
Pending
Respondent Application Number
11602956
Respondent Tech Center
2400
Respondent Patent Number
7952645

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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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Brief in Support of Patent Owner's Request for Discretionary Denial

Nov 5, 2025PAPERPATENT OWNER

Notice Letter to Samsung (July 7, 2021)

Nov 5, 2025EXHIBITPATENT OWNER

Follow-up Notice Letter to Samsung (December 29, 2021)

Nov 5, 2025EXHIBITPATENT OWNER

Docket Navigator Time to Trial Statistics for the Eastern District of Texas

Nov 5, 2025EXHIBITPATENT OWNER

Docket Control Order, Maxell, Ltd. v. Samsung Elecs. Co., Ltd., No. 5:25-cv-00052-RWS (E.D. Tex.)

Nov 5, 2025EXHIBITPATENT OWNER

Jury Trial Transcript, Vol. 4, Maxell, Ltd. v. Samsung Elecs. Co., Ltd., No. 5:23-cv-00092-RWS (E.D. Tex.)

Nov 5, 2025EXHIBITPATENT OWNER

Complaint, Maxell, Ltd. v. Samsung Elecs. Co., Ltd., No. 5:25-cv-00052-RWS (E.D. Tex.)

Nov 5, 2025EXHIBITPATENT OWNER

Follow-up Notice Letter to Samsung (April 21, 2025)

Nov 5, 2025EXHIBITPATENT OWNER

Law360 Article, “Maxell Settles Patent Suit Against Apple Over Mobile Tech”

Nov 5, 2025EXHIBITPATENT OWNER

Law360 Article, “Maxell Scores $43M EDTX Jury Win In ZTE Patent Trial”

Nov 5, 2025EXHIBITPATENT OWNER

Law360 Article, “Maxell, Huawei Reach Terms To End Smartphone Patent Suit”

Nov 5, 2025EXHIBITPATENT OWNER

Hudson Institute Article, “Google’s Loss to Sonos Settles It, Big Tech Has an IP Piracy Problem”

Nov 5, 2025EXHIBITPATENT OWNER

PatentRenewal.com Article, “which-companies-hold-the-most-patents-in-the-world”

Nov 5, 2025EXHIBITPATENT OWNER

Motion for Partial Summary Judgment of Validity Based on Sotera Stipulations, Maxell, Ltd. v. Samsung Elecs. Co., Ltd., No. 5:23-cv-00092-RWS (E.D. Tex.)

Nov 5, 2025EXHIBITPATENT OWNER

Follow-up Notice Letter to Samsung (November 28, 2024)

Nov 5, 2025EXHIBITPATENT OWNER

Petitioner’s Invalidity Contentions (November 28, 2025)

Nov 5, 2025EXHIBITPATENT OWNER

PETITIONERS’ STIPULATION

Oct 3, 2025EXHIBITPETITIONER

PETITIONERS’ UPDATED EXHIBIT LIST

Oct 3, 2025PAPERPETITIONER

Notice: Power of Attorney

Sep 22, 2025PAPERPATENT OWNER

Patent Owner's Mandatory Notices Under 37 C.F.R. § 42.8

Sep 22, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Sep 5, 2025PAPERBOARD

SAMSUNG ELECTRONICS CO., LTD.’S POWER OF ATTORNEY

Aug 29, 2025PAPERPETITIONER

SAMSUNG ELECTRONICS AMERICA, INC.’S POWER OF ATTORNEY

Aug 29, 2025PAPERPETITIONER

PETITION FOR INTER PARTES REVIEW OF U.S. PATENT NO. 7,952,645

Aug 29, 2025PAPERPETITIONER

U.S. Patent No. 7,952,645

Aug 29, 2025EXHIBITPETITIONER

Ex. 1002_Pt. 1 File History of U.S. Patent No. 7,952,645

Aug 29, 2025EXHIBITPETITIONER

Ex. 1002_Pt. 2 File History of U.S. Patent No. 7,952,645

Aug 29, 2025EXHIBITPETITIONER

Declaration of Dr. Dan Schonfeld

Aug 29, 2025EXHIBITPETITIONER

U.S. Patent App. Pub. No. 2004/0156545

Aug 29, 2025EXHIBITPETITIONER

U.S. Patent No. 5,808,697 (“Fujimura”)

Aug 29, 2025EXHIBITPETITIONER

ITU Recommendation ITU-R BT.1298 Enhanced wide-screen NTSC TV transm

Aug 29, 2025EXHIBITPETITIONER

Def of “signal” frm Chambers Dictionary of Science & Technology (2007)

Aug 29, 2025EXHIBITPETITIONER

Def of “according to” frm The New Oxford American Dictionary (2d ed 2005)

Aug 29, 2025EXHIBITPETITIONER

Def of “according to” frm Webster’s New College Dictionary (2005)

Aug 29, 2025EXHIBITPETITIONER

Def of “according to” frm The Chambers Dictionary (10th ed. 2007).

Aug 29, 2025EXHIBITPETITIONER

Patent Owner’s responsive claim construction brief from No. 6:21-cv-01169

Aug 29, 2025EXHIBITPETITIONER

Patent Owner’s sur-reply claim construction brief from No. 6:21-cv-01169

Aug 29, 2025EXHIBITPETITIONER

PO’s infringement contentions cover pleading from No. 5:25-cv-00052

Aug 29, 2025EXHIBITPETITIONER

Patent Owner’s ’645 patent infringement contentions claim chart

Aug 29, 2025EXHIBITPETITIONER