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PatentBrief

Patent Expiry Calendar

2026 expirations

3 patents entering the public domain in 2026, accumulating 570 forward citations. Most influential: How Modified RNA Tricks Cells Into Making Proteins Without Triggering Attacks (322 citations).

Patents expiring

3

Total citations

570

Peak month

August

Expirations by Month

J

F

M

A

M

J

J

A

S

O

N

D

Most-Cited Patents Expiring in 2026

01

How Modified RNA Tricks Cells Into Making Proteins Without Triggering Attacks

US 8278036University of Pennsylvania Pennexp. August 2026

322

cit.

02

Displaying Friends' Activities in a Social Network Feed

US 7669123Facebook Incexp. August 2026

231

cit.

03

How Mobile Phones Can Securely Authorize Payments Using Random ID Codes

US 7577616Individualexp. September 2026

17

cit.

Month-by-Month Breakdown

Other years:20252027202820292030
Expiring soon →Just expired →FTO risk snapshot →All years →