Maintenance fees coming due

Worldwise, Inc.

3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 25, 2026. Unpaid by Jun 25, 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 10,327,420	Cat Scratcher and Amusement Device Worldwise, Inc. In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Feb 1, 2038 · High confidence	Worldwise, Inc.	In force	Dec 25, 2026	Jun 25, 2027	Term ends Feb 1, 2038	High confidence
US 10,362,764	Cat Amusement System Worldwise, Inc. In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 Term ends Nov 22, 2037 · High confidence	Worldwise, Inc.	In force	Jan 30, 2027	Jul 30, 2027	Term ends Nov 22, 2037	High confidence
US 9,282,723	Cat Scratching Device Worldwise, Inc. In force Fee due Sep 15, 2027 Lapses if unpaid Mar 15, 2028 Term ends Jan 9, 2034 · High confidence	Worldwise, Inc.	In force	Sep 15, 2027	Mar 15, 2028	Term ends Jan 9, 2034	High confidence

3 of 3 patents shown. Soonest fee due date first, then patent number.

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