Maintenance fees coming due

The 41ST Parameter, Inc.

12 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 16, 2026. Unpaid by Jun 16, 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 9,060,012	Methods and Apparatus for Detecting Fraud with Time Based Computer Tags The 41ST Parameter, Inc. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends Sep 26, 2027 · High confidence	The 41ST Parameter, Inc.	In force	Dec 16, 2026	Jun 16, 2027	Term ends Sep 26, 2027	High confidence
US 11,683,306	Methods and Systems for Persistent Cross-Application Mobile Device Identification The 41ST Parameter, Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Mar 14, 2033 · High confidence	The 41ST Parameter, Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Mar 14, 2033	High confidence
US 10,339,306	Methods and Systems for Fraud Containment The 41ST Parameter, Inc. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Apr 13, 2033 · High confidence	The 41ST Parameter, Inc.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Apr 13, 2033	High confidence
US 10,341,344	Methods and Systems for Persistent Cross-Application Mobile Device Identification The 41ST Parameter, Inc. In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Mar 14, 2033 · High confidence	The 41ST Parameter, Inc.	In force	Jan 2, 2027	Jul 2, 2027	Term ends Mar 14, 2033	High confidence
US 9,112,850	Systems and Methods of Sharing Information Through a Tag-Based Consortium The 41ST Parameter, Inc. In force Fee due Feb 18, 2027 Lapses if unpaid Aug 18, 2027 Term ends Mar 25, 2030 · High confidence	The 41ST Parameter, Inc.	In force	Feb 18, 2027	Aug 18, 2027	Term ends Mar 25, 2030	High confidence
US 10,395,252	Systems and Methods of Global Identification The 41ST Parameter, Inc. In force Fee due Feb 27, 2027 Lapses if unpaid Aug 27, 2027 Term ends Nov 14, 2033 · High confidence	The 41ST Parameter, Inc.	In force	Feb 27, 2027	Aug 27, 2027	Term ends Nov 14, 2033	High confidence
US 11,750,584	Systems and Methods of Sharing Information Through a Tag-Based Consortium The 41ST Parameter, Inc. In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Mar 25, 2030 · Medium confidence	The 41ST Parameter, Inc.	In force	Mar 5, 2027	Sep 7, 2027	Term ends Mar 25, 2030	Medium confidence
US 10,417,637	Systems and Methods for Accessing Records via Derivative Locators The 41ST Parameter, Inc. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Term ends Aug 20, 2034 · High confidence	The 41ST Parameter, Inc.	In force	Mar 17, 2027	Sep 17, 2027	Term ends Aug 20, 2034	High confidence
US 11,886,575	Methods and Systems for Fraud Containment The 41ST Parameter, Inc. In force Fee due Jul 30, 2027 Lapses if unpaid Jan 31, 2028 Term ends Mar 1, 2033 · Low confidence	The 41ST Parameter, Inc.	In force	Jul 30, 2027	Jan 31, 2028	Term ends Mar 1, 2033	Low confidence
US 11,895,204	Data Structures for Intelligently Resolving Deterministic and Probabilistic Device Identifiers to Device Profiles And/Or Groups The 41ST Parameter, Inc. In force Fee due Aug 6, 2027 Lapses if unpaid Feb 7, 2028 Term ends Oct 13, 2035 · High confidence	The 41ST Parameter, Inc.	In force	Aug 6, 2027	Feb 7, 2028	Term ends Oct 13, 2035	High confidence
2 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 12 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.