Guardsquare N.V.

12 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

Mar 2030

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 Dec 25, 2026
The maintenance fee for Method of Protecting Secret Data When Used in a Cryptographic Algorithm (US 10,331,896) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
1 fee due Jan 14, 2027
The maintenance fee for Anti-Tamper Techniques (US 9,081,962) comes due Jan 14, 2027. Unpaid by Jul 14, 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.

Patent	Title	Status	Expires	Confidence
US 9,892,282	Anti-Tamper System Employing Automated Analysis In force Term ends Mar 14, 2030 · High confidence	In force	Term ends Mar 14, 2030	High confidence
US 9,690,914	Method of Protecting Computer Program Code In force Term ends May 8, 2030 · High confidence	In force	Term ends May 8, 2030	High confidence
US 10,803,151	Method of Protecting Computer Program Code In force Term ends May 8, 2030 · High confidence	In force	Term ends May 8, 2030	High confidence
US 9,081,962	Anti-Tamper Techniques In force Term ends Sep 26, 2030 · High confidence	In force	Term ends Sep 26, 2030	High confidence
US 8,407,523	Method for Protecting Software Programs In force Term ends Aug 13, 2031 · High confidence	In force	Term ends Aug 13, 2031	High confidence
US 8,516,458	System Representation and Handling Techniques In force Term ends Jan 2, 2032 · High confidence	In force	Term ends Jan 2, 2032	High confidence
US 10,331,896	Method of Protecting Secret Data When Used in a Cryptographic Algorithm In force Term ends Feb 1, 2036 · High confidence	In force	Term ends Feb 1, 2036	High confidence
US 10,713,339	Build system with plugins for encryption of application components In force Term ends Aug 12, 2037 · From the USPTO record	In force	Term ends Aug 12, 2037	From the USPTO record
US 11,221,844	Automated application partitioning system In force Term ends Aug 23, 2038 · From the USPTO record	In force	Term ends Aug 23, 2038	From the USPTO record
US 11,269,988	Automated software application verification system In force Term ends Nov 27, 2040 · From the USPTO record	In force	Term ends Nov 27, 2040	From the USPTO record

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

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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Published applications

Every application published under this name has become a patent.