Maintenance fees coming due

Wyeth, LLC

18 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Dec 4, 2026. Unpaid by Jun 4, 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 10,307,417	Oral Formulations and Lipophilic Salts of Methylnaltrexone Wyeth, LLC In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Ends no later than Mar 10, 2031 · Medium confidence	Wyeth, LLC	In force	Dec 4, 2026	Jun 4, 2027	Ends no later than Mar 10, 2031	Medium confidence
US 9,095,567	Vaccine Formulations Wyeth LLC In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 Term ends Jan 1, 2032 · High confidence	Wyeth LLC	In force	Feb 4, 2027	Aug 4, 2027	Term ends Jan 1, 2032	High confidence
US 10,370,424	Designer Osteogenic Proteins Wyeth LLC In force Fee due Feb 6, 2027 Lapses if unpaid Aug 6, 2027 Term ends Aug 17, 2031 · High confidence	Wyeth LLC	In force	Feb 6, 2027	Aug 6, 2027	Term ends Aug 17, 2031	High confidence
US 10,376,505	Oral Formulations and Lipophilic Salts of Methylnaltrexone Wyeth, LLC In force Fee due Feb 13, 2027 Lapses if unpaid Aug 13, 2027 Ends no later than Mar 10, 2031 · Medium confidence	Wyeth, LLC	In force	Feb 13, 2027	Aug 13, 2027	Ends no later than Mar 10, 2031	Medium confidence
US 9,114,105	Immunogenic Compositions of Staphylococcus Aureus Antigens Wyeth LLC In force Fee due Feb 25, 2027 Lapses if unpaid Aug 25, 2027 Term ends Jun 22, 2030 · High confidence	Wyeth LLC	In force	Feb 25, 2027	Aug 25, 2027	Term ends Jun 22, 2030	High confidence
US 9,125,951	Compositions and Methods for Preparing Staphylococcus Aureus Serotype 5 and 8 Capsular Polysaccharide Conjugate Immunogenic Compositions Wyeth LLC In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 Term ends Jun 22, 2030 · High confidence	Wyeth LLC	In force	Mar 8, 2027	Sep 8, 2027	Term ends Jun 22, 2030	High confidence
US 9,127,050	Multicomponent Immunogenic Composition for the Prevention of Beta-Hemolytic Streptococcal (BHS) Disease Wyeth LLC In force Fee due Mar 8, 2027 Lapses if unpaid Sep 8, 2027 Term ends Nov 4, 2029 · High confidence	Wyeth LLC	In force	Mar 8, 2027	Sep 8, 2027	Term ends Nov 4, 2029	High confidence
US 9,139,558	Maleate Salts of (E)-N-{4-[3-Chloro-4-(2-Pyridinylmethoxy)ANILINO]-3-Cyano-7-Ethoxy-6-Quinolinyl}-4- (DIMETHYLAMINO)-2-Butenamide and Crystalline Forms Thereof Wyeth LLC In force Fee due Mar 22, 2027 Lapses if unpaid Sep 22, 2027 Term ends Oct 15, 2028 · Medium confidence	Wyeth LLC	In force	Mar 22, 2027	Sep 22, 2027	Term ends Oct 15, 2028	Medium confidence
US 9,174,963	Triazine Compounds as PI3 Kinase and Mtor Inhibitors Wyeth LLC In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 Term ends May 22, 2029 · High confidence	Wyeth LLC	In force	May 3, 2027	Nov 3, 2027	Term ends May 22, 2029	High confidence
US 9,180,125	Peripheral Opioid Receptor Antagonists and Uses Thereof Wyeth LLC In force Fee due May 10, 2027 Lapses if unpaid Nov 10, 2027 Term ends Sep 30, 2029 · Medium confidence	Wyeth LLC	In force	May 10, 2027	Nov 10, 2027	Term ends Sep 30, 2029	Medium confidence
8 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 18 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.