The Patent Finder

Corrections

Updated Nov 2026

Report an error and we review it against the source record. Corrections are always free.

How to report an error

If a date, status, company name, patent grouping, or any other fact on the Service looks wrong, email support@thepatentfinder.com with the page or patent number and what looks incorrect. There is no charge to report or resolve a correction, and no account is required.

What happens next

We review the report against the primary source, typically USPTO Patent Center, USPTO Patent Assignment Search, or the underlying bulk data file the record came from. Where the report identifies a real error in our computation or our data, we correct it and record what changed and why.

Where the report reflects a limitation already disclosed on the page, such as a confidence tier or a noted data gap, we explain why the page shows what it shows rather than change it without basis.

Disputing a company grouping

A company can dispute how its own portfolio is grouped, including an affiliate we included or excluded, without payment. Email support@thepatentfinder.com with the specific patents or applications in question.

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Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
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