Azul Systems, Inc.

25 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

Jan 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.

1 fee due Aug 4, 2027
The maintenance fee for Code Optimization Conversations for Connected Managed Runtime Environments (US 10,552,130) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

5 terms have ended since Aug 16, 2026

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.

Patent	Title	Status	Expires	Confidence
US 7,437,597	Write-Back Cache with Different ECC Codings for Clean and Dirty Lines with Refetching of Uncorrectable Clean Lines In force Term ends Jan 30, 2027 · High confidence	In force	Term ends Jan 30, 2027	High confidence
US 8,230,271	Detecting Software Race Conditions In force Term ends Mar 8, 2027 · High confidence	In force	Term ends Mar 8, 2027	High confidence
US 9,361,114	Instruction Based Interrupt Masking for Managing Interrupts in a Computer Environment In force Term ends May 29, 2027 · High confidence	In force	Term ends May 29, 2027	High confidence
US 7,865,701	Concurrent Atomic Execution In force Term ends May 31, 2027 · High confidence	In force	Term ends May 31, 2027	High confidence
US 7,840,785	Transparent Concurrent Atomic Execution In force Term ends Jun 3, 2027 · High confidence	In force	Term ends Jun 3, 2027	High confidence
US 8,949,583	Concurrent atomic execution In force Term ends Jun 8, 2027 · High confidence	In force	Term ends Jun 8, 2027	High confidence
US 8,336,048	Reducing Latency in a Segmented Virtual Machine In force Term ends Aug 8, 2027 · High confidence	In force	Term ends Aug 8, 2027	High confidence
US 7,669,202	Resource Management In force Term ends Sep 13, 2027 · High confidence	In force	Term ends Sep 13, 2027	High confidence
US 8,452,938	Garbage Collection with Memory Quick Release In force Term ends Dec 26, 2027 · Medium confidence	In force	Term ends Dec 26, 2027	Medium confidence
US 7,742,398	Information Redirection In force Term ends Nov 7, 2028 · High confidence	In force	Term ends Nov 7, 2028	High confidence

10 of 25 patents shown.

Pro members see all 25.

Pro members: see all 25 patents

Also on record, not counted in the 25: 4 lapsed for an unpaid fee · 36 ended at full term. List them

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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.