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Digital Theorem

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Records under this name other than patents Digital Theorem holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 8,856,325Network element failure detection
Lapsed on the fee record
Ended Oct 7, 2022 · From the USPTO record
Lapsed on the fee recordEnded Oct 7, 2022From the USPTO record
US 8,839,424Cross-site request forgery protection
Lapsed on the fee record
Ended Sep 16, 2022 · From the USPTO record
Lapsed on the fee recordEnded Sep 16, 2022From the USPTO record
US 8,782,157Distributed comment moderation
Lapsed on the fee record
Ended Jul 15, 2022 · From the USPTO record
Lapsed on the fee recordEnded Jul 15, 2022From the USPTO record
US 8,726,381Clickjacking protection
Lapsed on the fee record
Ended May 13, 2022 · From the USPTO record
Lapsed on the fee recordEnded May 13, 2022From the USPTO record
US 8,683,193Strict communications transport security
Lapsed on the fee record
Ended Mar 25, 2022 · From the USPTO record
Lapsed on the fee recordEnded Mar 25, 2022From the USPTO record
US 9,686,313Clickjacking protection
Lapsed on the fee record
Ended Jun 20, 2021 · From the USPTO record
Lapsed on the fee recordEnded Jun 20, 2021From the USPTO record
US 8,448,260Electronic clipboard protection
Lapsed on the fee record
Ended May 21, 2021 · From the USPTO record
Lapsed on the fee recordEnded May 21, 2021From the USPTO record
US 8,413,236Clickjacking protection
Lapsed on the fee record
Ended Apr 2, 2021 · From the USPTO record
Lapsed on the fee recordEnded Apr 2, 2021From the USPTO record
US 8,370,529Trusted zone protection
Lapsed on the fee record
Ended Feb 5, 2021 · From the USPTO record
Lapsed on the fee recordEnded Feb 5, 2021From the USPTO record
US 9,305,174Electronic clipboard protection
Lapsed on the fee record
Ended Apr 5, 2020 · From the USPTO record
Lapsed on the fee recordEnded Apr 5, 2020From the USPTO record
10 of 11 patents shown.
Pro members see all 11.
Pro members: see all 11 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited