Penta Security Inc.

11 patents currently held · Updated Nov 14, 2026

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

Previously recorded as Penta Security Systems Inc. (to 2023)

Ending by 2030

Nov 2040

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 27, 2027
The maintenance fee for Merkle tree-based data management method and apparatus (US 11,914,564) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
2 fees due Sep 5 to 19, 2027 · next Sep 5

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted 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 11,922,059	Method and device for distributed data storage In force Term ends Nov 25, 2040 · From the USPTO record	In force	Term ends Nov 25, 2040	From the USPTO record
US 11,475,354	Deep learning method In force Term ends Aug 20, 2041 · From the USPTO record	In force	Term ends Aug 20, 2041	From the USPTO record
US 11,936,773	Encryption key management method in data subscription system In force Term ends Oct 18, 2042 · From the USPTO record	In force	Term ends Oct 18, 2042	From the USPTO record
US 12,058,593	Driving negotiation method and apparatus In force Term ends Oct 21, 2042 · From the USPTO record	In force	Term ends Oct 21, 2042	From the USPTO record
US 11,914,564	Merkle tree-based data management method and apparatus In force Term ends Nov 29, 2042 · From the USPTO record	In force	Term ends Nov 29, 2042	From the USPTO record
US 12,309,136	Method and apparatus for access control on ship network In force Term ends Dec 29, 2042 · From the USPTO record	In force	Term ends Dec 29, 2042	From the USPTO record
US 12,549,931	Message Hop-Based Communication Method and Apparatus for Guaranteeing Real-Time Communication in an Autonomous Driving Environment In force Term ends Jan 7, 2044 · High confidence	In force	Term ends Jan 7, 2044	High confidence
US 12,483,548	Sdp-Based Information Protection Method and Apparatus for Iot Cloud Security In force Term ends Apr 15, 2044 · High confidence	In force	Term ends Apr 15, 2044	High confidence
US 12,671,586	Method and Apparatus for Providing Differential Security Services for Ship Networks Using User Authentication-Based Packet Classification In force Term ends Aug 1, 2044 · High confidence	In force	Term ends Aug 1, 2044	High confidence
US 12,738,156	Method and System for Driving Negotiation for Vehicles with Cooperation Between CCTV and Road Side Unit In force Term ends Dec 4, 2044 · High confidence	In force	Term ends Dec 4, 2044	High confidence

10 of 11 patents shown.

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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.