Maintenance fees coming due

Block, Inc.

296 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 28, 2026. Unpaid by May 28, 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 10,304,043	Multi-Peripheral Host Device Block, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Feb 7, 2037 · High confidence	Block, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Feb 7, 2037	High confidence
US 10,304,049	Computing Distances of Devices Block, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Dec 7, 2036 · High confidence	Block, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Dec 7, 2036	High confidence
US 10,304,053	Shopping Check-Out with a Payment Card Block, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Nov 3, 2037 · High confidence	Block, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Nov 3, 2037	High confidence
US 10,304,117	Determining Item Recommendations from Merchant Data Block, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Dec 13, 2034 · High confidence	Block, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Dec 13, 2034	High confidence
US 11,663,368	Tamper Detection Based on Removal of Fastener from Recess Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Dec 22, 2041 · High confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Dec 22, 2041	High confidence
US 11,663,565	Payment Proxy Including a User-Defined Identifier Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jun 29, 2035 · High confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jun 29, 2035	High confidence
US 11,663,570	Analyzing Layouts Using Sensor Data Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends May 20, 2037 · High confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Term ends May 20, 2037	High confidence
US 11,663,612	Logical Validation of Devices Against Fraud and Tampering Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Ends no later than Jun 30, 2036 · Low confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Ends no later than Jun 30, 2036	Low confidence
US 11,663,629	Multi-Merchant Concomitant-Use Point-Of-Sale Device Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Ends no later than Sep 29, 2037 · Medium confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Ends no later than Sep 29, 2037	Medium confidence
US 11,665,817	Tamper Detection Based on Flexible Member Connecting Circuitry Elements Block, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 29, 2041 · High confidence	Block, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 29, 2041	High confidence
286 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 296 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.