Expiring Patents
Dec 1 - Dec 31, 2025Expiring Patents Report - December 2025
3,983 patents are expiring within 90 days as of December 2025. Human Necessities sector has the most expirations with 1727 patents.
Expiring in 30 Days
232
Expiring in 60 Days
1,961
Expiring in 90 Days
3,983
USPTO Maintenance Fee Schedule
3.5 Years
$2,000
7.5 Years
$3,760
11.5 Years
$7,700
Grace period: 6 months with surcharge
By Technology Sector
Human Necessities(A)
1727(43.4%)
Unknown / Pre-2013 Patents(Unknown)
1411(35.4%)
Chemistry & Metallurgy(C)
466(11.7%)
Physics(G)
311(7.8%)
Operations & Transport(B)
53(1.3%)
Electricity(H)
11(0.3%)
Fixed Constructions(E)
4(0.1%)
Top Assignees with Expiring Patents
1.SAMSUNG ELECTRONICS CO.
80(2.0%)
2.MICROSOFT
48(1.2%)
3.LG ELECTRONICS
44(1.1%)
4.INTERNATIONAL BUSINESS MACHINES
43(1.1%)
5.PANASONIC
37(0.9%)
6.SONY
29(0.7%)
7.TOYOTA JIDOSHA KABUSHIKI KAISHA
28(0.7%)
8.KONINKLIJKE PHILIPS ELECTRONICS N.V.
27(0.7%)
9.CISCO TECHNOLOGY
24(0.6%)
10.SEIKO EPSON
22(0.6%)
Expiring Patents
Amusement ride
Antonio Zamperla S.p.A. · 7846032 · Expires: 2025-12-27
Operations & Transport
Optical disk apparatus with shared driving source mechanism
Mitsubishi Electric Corporation · 7849473 · Expires: 2025-12-27
Unknown
Transmission brake disengagement apparatus and method of operation
Unknown · 7866762 · Expires: 2025-12-27
Chemistry & Metallurgy
Systems and methods for providing victim location information during an emergency situation
Panasonic Electric Works Co., Ltd. · 7865512 · Expires: 2025-12-27
Unknown
Integrated media content server system and method for the customization of metadata that is associated therewith
Charter Communications Holding Company · 7870125 · Expires: 2025-12-27
Unknown
Data driver, liquid crystal display and driving method thereof
LG. Display Co., Ltd. · 7643002 · Expires: 2025-12-27
Unknown
MOS devices with reduced recess on substrate surface
Taiwan Semiconductor Manufacturing Company, Ltd. · 7642607 · Expires: 2025-12-27
Unknown
Single ply paper product, method for manufacturing, and article
Wausau Paper Specialty Products, LLC · 7642490 · Expires: 2025-12-27
Unknown
Tape printer with tape jam eliminating control in relation to tape cutting operation
Brother Kogyo Kabushiki Kaisha · 7654760 · Expires: 2025-12-27
Unknown
Communications system, intermediate element for a communications system, and method for establishing a communications link
Vodafone Holding GmbH · 8014823 · Expires: 2025-12-27
Operations & Transport
Lens for safety glasses
Yamamoto Kogaku Co., Ltd. · 7901074 · Expires: 2025-12-27
Unknown
Applications registry for a television environment
Rovi Solutions Corporation · 7904923 · Expires: 2025-12-27
Physics
Apparatus and process for separation of multi-strand elastics
The Moore Company · 7905970 · Expires: 2025-12-27
Unknown
Prism sheet, back light unit using the same and liquid crystal display device having the back light unit
LG. Display Co., Ltd. · 7905647 · Expires: 2025-12-27
Unknown
Fuel-injection control device for internal-combustion engine
Toyota Jidosha Kabushiki Kaisha · 7918085 · Expires: 2025-12-27
Unknown
Published December 27, 2025 at 4:07 AM
Data source: United States Patent and Trademark Office (USPTO)