When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2031 · High confidence
Also notable
Ends Jun 2037 · High confidence
Also notable
Ends Jan 2041 · High confidence
Energy Management System And Method
US 8,509,954
Cited by 658 later US patents, top 1% of utility patents granted in 2013 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2031.
Method for Using BMC as Proxy Nvmeof Discovery Controller to Provide NVM Subsystems to Host
US 10,346,041
Cited by 133 later US patents, top 5% of utility patents granted in 2019 in our data. Protection runs to 2037.
Method and Apparatus for Biometric Authentication Using Face Radar Signal
US 11,550,031
Cited by 31 later US patents, top 5% of utility patents granted in 2023 in our data. Protection runs to 2041.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 200 fees due Nov 14 to 30, 2026 · next Nov 14
- 889 fees due Dec 2 to 30, 2026 · next Dec 2
- 1,280 fees due Jan 2 to 30, 2027 · next Jan 2
- 1,463 fees due Feb 1 to 28, 2027 · next Feb 1
- 1,288 fees due Mar 1 to 29, 2027 · next Mar 1
- 1,556 fees due Apr 1 to 30, 2027 · next Apr 1
- 1,252 fees due May 3 to 28, 2027 · next May 3
- 1,289 fees due Jun 1 to 30, 2027 · next Jun 1
- 1,287 fees due Jul 2 to 30, 2027 · next Jul 2
- 1,318 fees due Aug 2 to 27, 2027 · next Aug 2
- 1,397 fees due Sep 1 to 30, 2027 · next Sep 1
- 1,397 fees due Oct 2 to 30, 2027 · next Oct 2
- 477 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- Nov 10Assignment recorded on 1 record: Kim, Jihyun and 2 others to Samsung Electronics Co., Ltd. Recorded Nov 10, 2026, executed Feb 14, 2023. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76705, frame 974.
- Nov 6Assignment recorded on 1 record: Wei, Wei and 6 others to Samsung Electronics Co., Ltd. Recorded Nov 6, 2026, executed Jul 10, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76675, frame 1.
- 2,436 of the patents on this record were granted since Aug 16, 2026
- 831 terms have ended since Aug 16, 2026
What they patent
The 5 largest of its 69,902 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Vertical Non-Volatile Memory Device and Electric-Electronic System Having the Same Device | 66 in force | to Nov 2037 |
| Device and Method for Controlling Supply Voltage/Frequency Using Information of Process Variation | 49 in force | to Dec 2036 |
| Energy Management System and Method | 36 in force | to Nov 2036 |
| Methods of Forming a Field Effect Transistor, Including Forming a Region Providing Enhanced Oxidation | 32 in force | to Nov 2040 |
| Method and Apparatus for Storing Access Log Based on Keyword | 30 in force | to May 2044 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,452,817 | CMP Method Providing Reduced Thickness Variations In force · High confidence | In force | High confidence | |
| US 7,460,417 | Semiconductor Device, Semiconductor Memory Device and Data Strobe Method In force · High confidence | In force | High confidence | |
| US 7,508,041 | Magnetic Memory Device Having Uniform Switching Characteristics and Capable of Switching with Low Current and Associated Methods In force · High confidence | In force | High confidence | |
| US 7,522,106 | Antenna Having Extended Operation Frequency Bandwidth held by Samsung Electronics Co., Ltd. and Industry-Academic Cooperation Foundation, Yonsei University In force · High confidence | In force | High confidence | |
| US 7,545,680 | Flash Memory Device and Word Line Enable Method Thereof In force · High confidence | In force | High confidence | |
| US 7,600,065 | Arbitration Scheme for Shared Memory Device In force · High confidence | In force | High confidence | |
| US 7,376,039 | Circuit and Method for Preserving Data in Sleep Mode of Semiconductor Device Using Test Scan Chain In force · High confidence | In force | High confidence | |
| US 7,394,720 | Circuit and Method for Sampling Valid Command Using Extended Valid Address Window in Double Pumped Address Scheme Memory Device In force · High confidence | In force | High confidence | |
| US 7,427,531 | Phase Change Memory Devices Employing Cell Diodes and Methods of Fabricating the Same In force · High confidence | In force | High confidence | |
| US 7,445,137 | Dispenser for Refrigerator In force · High confidence | In force | High confidence |
Also on record, not counted in the 86,761: 4,354 patents in force now held by others · 37,101 patents ended · 21,657 applications pending · 29,338 applications abandoned · 4 records of undetermined status. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.