Maintenance fees coming due

Sifive, Inc.

11 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 13, 2026. Unpaid by Jun 14, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 11,675,945	Reset Crossing and Clock Crossing Interface for Integrated Circuit Generation Sifive, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Jul 9, 2039 · Medium confidence	Sifive, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Jul 9, 2039	Medium confidence
US 11,675,959	Point-To-Point Module Connection Interface for Integrated Circuit Generation Sifive, Inc. In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Apr 17, 2040 · High confidence	Sifive, Inc.	In force	Dec 13, 2026	Jun 14, 2027	Term ends Apr 17, 2040	High confidence
US 11,687,342	Way Predictor and Enable Logic for Instruction Tightly-Coupled Memory and Instruction Cache Sifive, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Ends no later than Aug 28, 2039 · Medium confidence	Sifive, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Ends no later than Aug 28, 2039	Medium confidence
US 11,687,455	Data Cache with Hybrid Writeback and Writethrough Sifive, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Feb 21, 2040 · High confidence	Sifive, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Feb 21, 2040	High confidence
US 11,748,536	Automated Microprocessor Design Sifive, Inc. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Apr 22, 2040 · High confidence	Sifive, Inc.	In force	Mar 5, 2027	Sep 7, 2027	Term ends Apr 22, 2040	High confidence
US 11,797,308	Fetch Stage Handling of Indirect Jumps in a Processor Pipeline Sifive, Inc. In force Fee due Apr 24, 2027 Lapses if unpaid Oct 25, 2027 Term ends Apr 23, 2040 · High confidence	Sifive, Inc.	In force	Apr 24, 2027	Oct 25, 2027	Term ends Apr 23, 2040	High confidence
US 11,847,060	Data Cache with Prediction Hints for Cache Hits Sifive, Inc. In force Fee due Jun 19, 2027 Lapses if unpaid Dec 20, 2027 Term ends Feb 21, 2040 · High confidence	Sifive, Inc.	In force	Jun 19, 2027	Dec 20, 2027	Term ends Feb 21, 2040	High confidence
US 11,861,365	Macro-Op Fusion Sifive, Inc. In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 Term ends Dec 10, 2038 · High confidence	Sifive, Inc.	In force	Jul 2, 2027	Jan 3, 2028	Term ends Dec 10, 2038	High confidence
US 11,914,933	Generation of Dynamic Design Flows for Integrated Circuits Sifive, Inc. In force Fee due Aug 27, 2027 Lapses if unpaid Feb 28, 2028 Term ends Jul 31, 2039 · High confidence	Sifive, Inc.	In force	Aug 27, 2027	Feb 28, 2028	Term ends Jul 31, 2039	High confidence
US 11,922,101	Integrated Circuits as a Service Sifive, Inc. In force Fee due Sep 5, 2027 Lapses if unpaid Mar 6, 2028 Term ends Aug 1, 2039 · Medium confidence	Sifive, Inc.	In force	Sep 5, 2027	Mar 6, 2028	Term ends Aug 1, 2039	Medium confidence
1 more maintenance fee coming due in the 12 months from Nov 14, 2026 · Pro

10 of 11 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

Upgrade to Pro

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