The Patent Finder
US

Optoelectronic Computing Systems

US 11,734,556 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 4, 2039 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Mar 17, 2021 as application 17/204,320 · Granted Aug 22, 2023
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Jun 4, 2019
Term ends
Jun 4, 2039
Granted
Aug 22, 2023
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
15
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 4, 2019, when application 16/431,167, the earliest non-provisional in its chain, was filed (this one was filed Mar 17, 2021); a parent in its chain could not be resolved (the next row)Jun 4, 2039High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 4, 2039Medium confidence

This family

US 11,734,555In force
Aug 2041
Aug 2041
US 11,507,818In force
Aug 2040
Aug 2040
US 12,001,946In force
no later than Mar 2042
no later than Mar 2042
US 11,907,832In force
Jun 2039
Jun 2039
US 11,783,172In force
Jul 2040
Jul 2040
US 11,281,972In force
Jun 2039
Jun 2039
US 11,734,556this patent
Jun 2039
Jun 2039
US 11,687,767In force
Jun 2039
Jun 2039
8 of 15 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Jun 14, 2021
Reel 56534, frame 297
Meng, Huaiyu; Xu, Yelong; Hendry, Gilbert; Ou, Longwu; Deng, Jingdong; Gagnon, Ronald; Lu, Cheng-kuan; Steinman, Maurice; Evans, Mike; Wu, Jianhua; Shen, YichenLightelligence, Inc.Assignment of Assignor's Interest
Oct 26, 2021
Reel 57911, frame 512
Lightelligence, Inc.Lightelligence Pte Ltd.Assignment of Assignor's Interest
May 11, 2022
Reel 59928, frame 516
Lightelligence, Inc.Lightelligence Pte. Ltd.Corrective Assignment to Correct the the Spelling of the Assignee's Name Previously Recorded at Reel: 057911 Frame: 0512. Assignor(S) Hereby Confirms the Assignment.

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited