Block Chain Proof for Identification

Drfirst.com, Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 4 of these applications claim priority to application 62/988,271, filed Mar 11, 2020. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 10,979,230	Block Chain Proof for Identification Drfirst.com, Inc. In force Term ends Nov 30, 2040 · High confidence	Drfirst.com, Inc.	In force	Term ends Nov 30, 2040	Term ends Nov 30, 2040	High confidence
US 11,128,469	Block Chain Proof for Identification Drfirst.com, Inc. In force Term ends Nov 30, 2040 · High confidence	Drfirst.com, Inc.	In force	Term ends Nov 30, 2040	Term ends Nov 30, 2040	High confidence
US 11,621,851	Block Chain Proof for Identification Drfirst.com, Inc. In force Term ends Nov 30, 2040 · High confidence	Drfirst.com, Inc.	In force	Term ends Nov 30, 2040	Term ends Nov 30, 2040	High confidence
US 12,088,727	Block Chain Proof for Identification Drfirst.com, Inc. In force Ends no later than Nov 30, 2040 · Medium confidence	Drfirst.com, Inc.	In force	Ends no later than Nov 30, 2040	Ends no later than Nov 30, 2040	Medium confidence

4 of 4 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.