14 patents currently held
2,285 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9 more records may belong here and await a decision; they are not counted.
The next term ends in Jun 2027. from the record
Of the 2,285 now held by other companies, 1,499 are held via Marvell Asia Pte Ltd., and 786 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Jun 2027
Next term end
14
Patent families
When these terms end
Held patents by the year their term ends
notable patents
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.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Oct 2031 · High confidence
Also notable
Ends Aug 2039 · High confidence
Also notable
Ends Mar 2030 · High confidence
Systems and Methods for Residue Upgrading
US 8,608,942
The most cited patent in this portfolio, cited by 59 later US patents, top 10% of utility patents granted in 2013 in our data. Protection runs to 2031.
Implementations of Wireless Channel Monitoring and Usage
US 11,291,045
A family of 32 related applications built on the 2022 grant. Protection runs to 2039.
OFDMA with Block Tone Assignment for WLAN
US 11,039,440
Granted 2021. Computed term ends 2030. A terminal disclaimer caps this term to an earlier patent's.
Formerly held, still cited
Notable
Ends Aug 2029 · High confidence
Cited by 334 later US patents, top 1% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029. A terminal disclaimer caps this term to an earlier patent's.
now held by Marvell Asia Pte, Ltd.
Also notable
Ends Sep 2034 · High confidence
Cited by 84 later US patents, top 5% of utility patents granted in 2019 in our data, and renewed at 2 of 3 maintenance windows. Protection runs to 2034. A terminal disclaimer caps this term to an earlier patent's.
held via Marvell International Ltd. - now held by Marvell Asia Pte, Ltd.
Also notable
Ends Jan 2039 · High confidence
Cited by 36 later US patents, top 5% of utility patents granted in 2021 in our data. Protection runs to 2039.
held via Marvell International Ltd.
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.
- 1 fee due Mar 26, 2027The maintenance fee for Method and Apparatus for Timing-Annotated Scan-Chain Testing Using Parallel Testbench (US 11,768,239) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
- 1 fee due Jul 16, 2027The maintenance fee for Method and Apparatus for Determining Bit-Error Rate in a Data Channel (US 11,876,532) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
Recent changes
- 17 of the patents on this record were granted since Aug 16, 2026
- 26 terms have ended since Aug 16, 2026
What they patent
The 4 largest of its 14 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Method and Apparatus for Multi-Stage Equalization for Reading Data from Storage Media | 1 in force | to Mar 2044 |
| Method and Apparatus for Determining Bit-Error Rate in a Data Channel | 1 in force | to Jul 2042 |
| Implementations of Wireless Channel Monitoring and Usage | 1 in force | to Aug 2039 |
| OFDMA with Block Tone Assignment for WLAN | 1 in force | to Mar 2030 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,539,694 | Concurrently Searching and Manipulating Binary Trees In force · High confidence | In force | High confidence | |
| US 11,039,440 | OFDMA with Block Tone Assignment for WLAN In force · High confidence | In force | High confidence | |
| US 8,608,942 | Systems and Methods for Residue Upgrading In force · High confidence | In force | High confidence | |
| US 9,864,546 | FIFO-based Operations for Redundant Array of Independent Disks (RAID) Device In force · High confidence | In force | High confidence | |
| US 11,291,045 | Implementations of Wireless Channel Monitoring and Usage In force · High confidence | In force | High confidence | |
| US 11,087,788 | Unified Time Base for Self-Servo-Write Operation held by Marvell Asia Pte, Ltd. In force · High confidence | In force | High confidence | |
| US 12,675,415 | Method of Improving L1 Icache Performance with Large Programs held by Marvell Asia Pte, Ltd. In force · High confidence | In force | High confidence | |
| US 11,432,138 | Secure Communications Among Access Points held by Marvell International Ltd. In force · High confidence | In force | High confidence | |
| US 11,768,239 | Method and Apparatus for Timing-Annotated Scan-Chain Testing Using Parallel Testbench In force · High confidence | In force | High confidence | |
| US 11,876,532 | Method and Apparatus for Determining Bit-Error Rate in a Data Channel In force · High confidence | In force | High confidence |
Also on record, not counted in the 14: 2,285 patents in force now held by others · 1,591 patents ended · 31 applications pending · 102 applications abandoned. 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.