Maintenance fees coming due

Evolved by Nature, Inc.

9 maintenance fees come due in the 12 months from Nov 15, 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 10,301,768	Silk Performance Apparel and Products and Methods of Preparing the Same Evolved by Nature, Inc. In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 14, 2035 · Low confidence	Evolved by Nature, Inc.	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 14, 2035	Low confidence
US 11,660,372	Silk-Hyaluronic Acid Based Tissue Fillers and Methods of Using the Same Evolved by Nature, Inc. In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jun 26, 2038 · High confidence	Evolved by Nature, Inc.	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jun 26, 2038	High confidence
US 9,187,538	Stable silk protein fragment compositions Evolved by Nature, Inc. In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 Term ends Sep 30, 2034 · High confidence	Evolved by Nature, Inc.	In force	May 17, 2027	Nov 17, 2027	Term ends Sep 30, 2034	High confidence
US 11,857,663	Stable Silk Protein Fragment Compositions Evolved by Nature, Inc. In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 Ends no later than Nov 26, 2034 · Low confidence	Evolved by Nature, Inc.	In force	Jul 2, 2027	Jan 3, 2028	Ends no later than Nov 26, 2034	Low confidence
US 11,857,664	Stable Silk Protein Fragment Compositions Evolved by Nature, Inc. In force Fee due Jul 2, 2027 Lapses if unpaid Jan 3, 2028 Ends no later than Sep 30, 2034 · Medium confidence	Evolved by Nature, Inc.	In force	Jul 2, 2027	Jan 3, 2028	Ends no later than Sep 30, 2034	Medium confidence
US 11,878,070	Silk-Based Moisturizer Compositions and Methods Thereof Evolved by Nature, Inc. In force Fee due Jul 23, 2027 Lapses if unpaid Jan 24, 2028 Term ends Sep 30, 2034 · High confidence	Evolved by Nature, Inc.	In force	Jul 23, 2027	Jan 24, 2028	Term ends Sep 30, 2034	High confidence
US 10,588,843	Stable Silk Fibroin Based Pharmaceutical Formulations Evolved by Nature, Inc. In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 Term ends Sep 30, 2034 · Low confidence	Evolved by Nature, Inc.	In force	Sep 17, 2027	Mar 17, 2028	Term ends Sep 30, 2034	Low confidence
US 10,610,478	Stable Silk Fibroin Based Pharmaceutical Formulations Evolved by Nature, Inc. In force Fee due Oct 7, 2027 Lapses if unpaid Apr 7, 2028 Term ends Sep 30, 2034 · Low confidence	Evolved by Nature, Inc.	In force	Oct 7, 2027	Apr 7, 2028	Term ends Sep 30, 2034	Low confidence
US 11,970,815	Silk Protein Bonded Layered Materials and Methods of Making and Using Thereof Evolved by Nature, Inc. In force Fee due Oct 30, 2027 Lapses if unpaid May 1, 2028 Term ends Apr 22, 2041 · High confidence	Evolved by Nature, Inc.	In force	Oct 30, 2027	May 1, 2028	Term ends Apr 22, 2041	High confidence

9 of 9 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.