Observed arrival · 2026-10-19

Expired Patent Watch

expiredpatentwatch.com Visit website

Editorial interest 78/100 Selection signal · not a rating of the site

A searchable, categorized guide to US patents reported lapsed for unpaid maintenance fees.

Landing page captured for the 2026-10-19 issue.

For: Product researchers and makers exploring lapsed patents
Worth noticing: The site says it filters 3,804 lapses in the October 13, 2026 notice to 378 entries, and reports 39 reinstatements.

Field notes

The homepage describes a three-step process: read weekly lapse and reinstatement notices, sort entries by product, then let visitors browse or search by patent number. Sample records include titles, abstracts, lapse dates, years of protection given up, and links to the full patents. Its October 13, 2026 notice breakdown distinguishes 378 selected entries from 3,804 reported lapses and notes 39 reinstatements.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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