Maintenance fees coming due

Cook Incorporated

17 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 2, 2026. Unpaid by Jun 2, 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 9,044,455	Isolated Extracellular Matrix Material Including Subserous Fascia Cook Biotech Incorporated In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jun 29, 2029 · Medium confidence	Cook Biotech Incorporated	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jun 29, 2029	Medium confidence
US 10,342,523	Fistula Grafts and Related Methods and Systems Useful for Treating Gastrointestinal Fistulae Cook Biotech Incorporated In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 Term ends Jan 24, 2029 · High confidence	Cook Biotech Incorporated	In force	Jan 9, 2027	Jul 9, 2027	Term ends Jan 24, 2029	High confidence
US 9,113,851	Fistula Plugs and Apparatuses and Methods for Fistula Plug Delivery Cook Biotech Incorporated In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 Term ends Feb 23, 2033 · High confidence	Cook Biotech Incorporated	In force	Feb 25, 2027	Aug 25, 2027	Term ends Feb 23, 2033	High confidence
US 9,121,009	Muscle Derived Cells For The Treatment Of Gastro-Esophageal Pathologies And Methods Of Making And Using The Same Cook Myosite In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 Ends no later than Dec 20, 2031 · Medium confidence	Cook Myosite	In force	Mar 1, 2027	Sep 1, 2027	Ends no later than Dec 20, 2031	Medium confidence
US 11,746,443	Polycaprolactone-Based Fibers and Implants Including Same Cook Biotech Incorporated In force Fee due Mar 5, 2027 Lapses if unpaid Sep 7, 2027 Term ends Jan 1, 2041 · High confidence	Cook Biotech Incorporated	In force	Mar 5, 2027	Sep 7, 2027	Term ends Jan 1, 2041	High confidence
US 11,771,543	Poly (Ester Urea) Adhesion Barriers for Use in the Treatment of Hernia-Mesh Repair Cook Biotech Incorporated In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 Term ends Feb 3, 2040 · High confidence	Cook Biotech Incorporated	In force	Apr 3, 2027	Oct 4, 2027	Term ends Feb 3, 2040	High confidence
US 9,149,262	Fistula Grafts and Related Methods and Systems Useful for Treating Gastrointestinal Fistulae Cook Biotech Incorporated In force Fee due Apr 6, 2027 Lapses if unpaid Oct 6, 2027 Term ends Sep 20, 2030 · High confidence	Cook Biotech Incorporated	In force	Apr 6, 2027	Oct 6, 2027	Term ends Sep 20, 2030	High confidence
US 10,470,749	Fistula Grafts and Related Methods and Systems Useful for Treating Gastrointestinal and Other Fistulae Cook Biotech Incorporated In force Fee due May 12, 2027 Lapses if unpaid Nov 12, 2027 Term ends Jul 16, 2029 · High confidence	Cook Biotech Incorporated	In force	May 12, 2027	Nov 12, 2027	Term ends Jul 16, 2029	High confidence
US 10,478,214	Balloon Catheter with Lithotripsy Amplification System Cook Medical Technologies LLC In force Fee due May 19, 2027 Lapses if unpaid Nov 19, 2027 Term ends Aug 8, 2036 · High confidence	Cook Medical Technologies LLC	In force	May 19, 2027	Nov 19, 2027	Term ends Aug 8, 2036	High confidence
US 9,199,003	Bone Augmentation Utilizing Muscle-Derived Progenitor Compositions in Biocompatible Matrix, and Treatments Thereof Cook Myosite In force Fee due Jun 1, 2027 Lapses if unpaid Dec 1, 2027 Term ends Jan 20, 2031 · High confidence	Cook Myosite	In force	Jun 1, 2027	Dec 1, 2027	Term ends Jan 20, 2031	High confidence
7 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 17 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.