Maintenance fees coming due

nChain Licensing AG

80 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 6, 2026. Unpaid by Jun 7, 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 11,669,832	Blockchain-Implemented Method and System for Access Control on Remote Internet-Enabled Resources nChain Licensing AG In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Nov 29, 2037 · High confidence	nChain Licensing AG	In force	Dec 6, 2026	Jun 7, 2027	Term ends Nov 29, 2037	High confidence
US 11,669,836	Computer-Implemented Systems and Methods to Enable Complex Functionality on a Blockchain While Preserving Security-Based Restrictions on Script Size and Opcode Limits nChain Licensing AG In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jun 8, 2040 · High confidence	nChain Licensing AG	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jun 8, 2040	High confidence
US 11,671,255	Threshold Digital Signature Method and System nChain Licensing AG In force Fee due Dec 6, 2026 Lapses if unpaid Jun 7, 2027 Term ends Jan 5, 2039 · High confidence	nChain Licensing AG	In force	Dec 6, 2026	Jun 7, 2027	Term ends Jan 5, 2039	High confidence
US 11,683,164	System and Method for Securely Sharing Cryptographic Material nChain Licensing AG In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Dec 7, 2038 · High confidence	nChain Licensing AG	In force	Dec 20, 2026	Jun 21, 2027	Term ends Dec 7, 2038	High confidence
US 11,687,922	Systems and Methods for Addressing Security-Related Vulnerabilities Arising in Relation to Off-Blockchain Channels in the Event of Failures in a Network nChain Licensing AG In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends May 22, 2039 · High confidence	nChain Licensing AG	In force	Dec 27, 2026	Jun 28, 2027	Term ends May 22, 2039	High confidence
US 11,694,193	Implementing Logic Gate Functionality Using a Blockchain nChain Licensing AG In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Mar 27, 2038 · High confidence	nChain Licensing AG	In force	Jan 4, 2027	Jul 6, 2027	Term ends Mar 27, 2038	High confidence
US 11,694,196	Method and System for Directing an Exchange Associated with an Anonymously Held Token on a Blockchain nChain Licensing AG In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Dec 14, 2039 · High confidence	nChain Licensing AG	In force	Jan 4, 2027	Jul 6, 2027	Term ends Dec 14, 2039	High confidence
US 11,694,198	System and Method for Transferring Resources Using a Blockchain nChain Licensing AG In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Jul 6, 2039 · High confidence	nChain Licensing AG	In force	Jan 4, 2027	Jul 6, 2027	Term ends Jul 6, 2039	High confidence
US 11,695,567	Securing Blockchain Transaction Based on Undetermined Data nChain Licensing AG In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Sep 14, 2039 · High confidence	nChain Licensing AG	In force	Jan 4, 2027	Jul 6, 2027	Term ends Sep 14, 2039	High confidence
US 11,722,302	Computer-Implemented Systems and Methods for Combining Blockchain Technology with Digital Twins nChain Licensing AG In force Fee due Feb 8, 2027 Lapses if unpaid Aug 9, 2027 Term ends Feb 1, 2039 · High confidence	nChain Licensing AG	In force	Feb 8, 2027	Aug 9, 2027	Term ends Feb 1, 2039	High confidence
70 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 80 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.