Proof of Execution Using Random Function

Synopsys, Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 7,877,604	Proof of Execution Using Random Function Synopsys, Inc. In force Term ends Jul 20, 2027 · High confidence	Synopsys, Inc.	In force	Term ends Jul 20, 2027	Term ends Jul 20, 2027	High confidence
US 8,339,875	Method of Reducing the Occurrence of Burn-In Due to Negative Bias Temperature Instability Synopsys, Inc. In force Term ends Jul 15, 2029 · High confidence	Synopsys, Inc.	In force	Term ends Jul 15, 2029	Term ends Jul 15, 2029	High confidence
US 8,699,714	Distributed Puf Synopsys, Inc. In force Term ends Mar 22, 2030 · High confidence	Synopsys, Inc.	In force	Term ends Mar 22, 2030	Term ends Mar 22, 2030	High confidence
US 8,694,856	Physically Unclonable Function with Tamper Prevention and Anti-Aging System Synopsys, Inc. In force Term ends Mar 15, 2031 · High confidence	Synopsys, Inc.	In force	Term ends Mar 15, 2031	Term ends Mar 15, 2031	High confidence
US 8,819,409	Distribution System and Method for Distributing Digital Information Synopsys, Inc. In force Term ends Apr 13, 2031 · High confidence	Synopsys, Inc.	In force	Term ends Apr 13, 2031	Term ends Apr 13, 2031	High confidence
US 8,848,477	Physical Unclonable Function with Improved Start-Up Behavior Synopsys, Inc. In force Term ends Sep 28, 2031 · High confidence	Synopsys, Inc.	In force	Term ends Sep 28, 2031	Term ends Sep 28, 2031	High confidence
US 9,350,330	Physical Unclonable Function Synopsys, Inc. In force Term ends Nov 4, 2032 · High confidence	Synopsys, Inc.	In force	Term ends Nov 4, 2032	Term ends Nov 4, 2032	High confidence
US 9,383,969	Random Number Generating System Based on Memory Start-Up Noise Synopsys, Inc. In force Term ends Feb 18, 2033 · High confidence	Synopsys, Inc.	In force	Term ends Feb 18, 2033	Term ends Feb 18, 2033	High confidence
US 8,446,250	Method and Device for Providing Digital Security Synopsys, Inc. Lapsed May 21, 2025 on the fee record Ended May 21, 2025 · High confidence	Synopsys, Inc.	Lapsed May 21, 2025 on the fee record	Ended May 21, 2025	Ended May 21, 2025	High confidence
Application 12/602,857	Device and Method for Providing Authentication Synopsys, Inc. Abandoned Abandoned Jun 18, 2012	Synopsys, Inc.	Abandoned	Abandoned Jun 18, 2012	not computed
2 more patents in this group · Pro

10 of 12 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

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8 of these are in force and held by Synopsys, Inc..

Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

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