The Patent Finder

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Also on record
Records under this name other than patents AddOnMail 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 9,137,307Searching and retrieving files in computer networks
Lapsed on the fee record
Ended Sep 15, 2023 · From the USPTO record
Lapsed on the fee recordEnded Sep 15, 2023From the USPTO record
US 9,021,508Generic application programming interface for reading information
Lapsed on the fee record
Ended Apr 28, 2023 · From the USPTO record
Lapsed on the fee recordEnded Apr 28, 2023From the USPTO record
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