Maintenance fees coming due

Rambus Inc.

365 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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 11,650,944	Local Internal Discovery and Configuration of Individually Selected and Jointly Selected Devices Rambus Inc. In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Nov 19, 2033 · High confidence	Rambus Inc.	In force	Nov 16, 2026	May 17, 2027	Term ends Nov 19, 2033	High confidence
US 11,651,801	Memory Bandwidth Aggregation Using Simultaneous Access of Stacked Semiconductor Memory Die Rambus Inc. In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Aug 27, 2033 · Medium confidence	Rambus Inc.	In force	Nov 16, 2026	May 17, 2027	Term ends Aug 27, 2033	Medium confidence
US 11,651,823	Fractional Program Commands for Memory Devices Rambus Inc. In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends May 6, 2029 · Medium confidence	Rambus Inc.	In force	Nov 16, 2026	May 17, 2027	Term ends May 6, 2029	Medium confidence
US 11,653,476	Memory Subsystem for a Cryogenic Digital System Rambus Inc. In force Fee due Nov 16, 2026 Lapses if unpaid May 17, 2027 Term ends Oct 7, 2038 · Medium confidence	Rambus Inc.	In force	Nov 16, 2026	May 17, 2027	Term ends Oct 7, 2038	Medium confidence
US 9,035,677	High-Speed Low Power Stacked Transceiver Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Jun 11, 2032 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Jun 11, 2032	High confidence
US 9,036,065	Shared-Counter Image Sensor Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends May 22, 2033 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends May 22, 2033	High confidence
US 9,036,436	Supporting Calibration For Sub-Rate Operation In Clocked Memory Systems Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends May 3, 2032 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends May 3, 2032	High confidence
US 9,036,764	Clock Recovery Circuit Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Oct 16, 2033 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Oct 16, 2033	High confidence
US 9,036,963	Light Collecting and Emitting Apparatus, Method, and Applications Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Apr 2, 2030 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Apr 2, 2030	High confidence
US 9,037,949	Error Correction In A Memory Device Rambus Inc. In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Jul 11, 2033 · High confidence	Rambus Inc.	In force	Nov 19, 2026	May 19, 2027	Term ends Jul 11, 2033	High confidence
355 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 365 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.

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