Lock Semiconductor LLC

10 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

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.

3 fees due Jan 14 to 21, 2027 · next Jan 14
1 fee due Jun 8, 2027
The maintenance fee for Dynamic Lockstep Cache Memory Replacement Logic (US 9,208,036) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 8,117,400	System and Method for Fetching an Information Unit In force Term ends Oct 2, 2027 · High confidence	In force	Term ends Oct 2, 2027	High confidence
US 7,952,401	Standby Control Circuit and Method In force Term ends Sep 30, 2029 · High confidence	In force	Term ends Sep 30, 2029	High confidence
US 7,917,788	Soc with Low Power and Performance Modes In force Term ends Jan 26, 2030 · High confidence	In force	Term ends Jan 26, 2030	High confidence
US 9,355,280	Apparatus and Method for Providing Hardware Security In force Term ends Feb 26, 2030 · High confidence	In force	Term ends Feb 26, 2030	High confidence
US 8,826,039	Apparatus and Method for Providing Hardware Security In force Term ends Oct 2, 2031 · High confidence	In force	Term ends Oct 2, 2031	High confidence
US 9,208,036	Dynamic Lockstep Cache Memory Replacement Logic In force Term ends Feb 9, 2033 · High confidence	In force	Term ends Feb 9, 2033	High confidence
US 9,081,693	Data Type Dependent Memory Scrubbing In force Term ends Apr 17, 2033 · High confidence	In force	Term ends Apr 17, 2033	High confidence
US 9,081,719	Selective Memory Scrubbing Based on Data Type In force Term ends Apr 17, 2033 · High confidence	In force	Term ends Apr 17, 2033	High confidence
US 9,086,977	Cache Memory with Dynamic Lockstep Support In force Term ends Jan 4, 2034 · High confidence	In force	Term ends Jan 4, 2034	High confidence
US 10,802,932	Data Processing System Having Lockstep Operation In force Term ends Aug 28, 2038 · High confidence	In force	Term ends Aug 28, 2038	High confidence

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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