Maintenance fees coming due

Yield Engineering Systems, Inc.

2 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jun 5, 2027. Unpaid by Dec 6, 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 11,834,541	Compositions for forming polymer brushes Yield Engineering Systems, Inc. In force Fee due Jun 5, 2027 Lapses if unpaid Dec 6, 2027 Term ends Feb 21, 2040 · High confidence	Yield Engineering Systems, Inc.	In force	Jun 5, 2027	Dec 6, 2027	Term ends Feb 21, 2040	High confidence
US 11,919,036	Method of Improving the Adhesion Strength of Metal-Organic Interfaces in Electronic Devices Yield Engineering Systems, Inc. In force Fee due Sep 5, 2027 Lapses if unpaid Mar 6, 2028 Term ends Apr 21, 2043 · High confidence	Yield Engineering Systems, Inc.	In force	Sep 5, 2027	Mar 6, 2028	Term ends Apr 21, 2043	High confidence

2 of 2 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.