Maintenance fees coming due

PGS Geophysical As

75 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 10,310,108	Bow-Shaped Spring for Marine Vibrator PGS Geophysical As In force Fee due Dec 4, 2026 Lapses if unpaid Jun 4, 2027 Term ends Apr 10, 2037 · High confidence	PGS Geophysical As	In force	Dec 4, 2026	Jun 4, 2027	Term ends Apr 10, 2037	High confidence
US 10,317,543	Estimation of a Far Field Signature in a Second Direction from a Far Field Signature in a First Direction PGS Geophysical As In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Apr 12, 2037 · High confidence	PGS Geophysical As	In force	Dec 11, 2026	Jun 11, 2027	Term ends Apr 12, 2037	High confidence
US 10,338,250	Method of Removing Incoherent Noise PGS Geophysical As In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Dec 14, 2035 · High confidence	PGS Geophysical As	In force	Jan 2, 2027	Jul 2, 2027	Term ends Dec 14, 2035	High confidence
US 10,338,253	Method of Suppressing Spectral Artefacts of Wavefield Decomposition Caused by Imperfect Extrapolation PGS Geophysical As In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Jun 26, 2036 · High confidence	PGS Geophysical As	In force	Jan 2, 2027	Jul 2, 2027	Term ends Jun 26, 2036	High confidence
US 10,338,255	Noise Attenuation PGS Geophysical As In force Fee due Jan 2, 2027 Lapses if unpaid Jul 2, 2027 Term ends Aug 21, 2037 · High confidence	PGS Geophysical As	In force	Jan 2, 2027	Jul 2, 2027	Term ends Aug 21, 2037	High confidence
US 11,692,822	Methods and Systems for Application of Wax on Geophysical Streamers PGS Geophysical As In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 Term ends Mar 20, 2038 · High confidence	PGS Geophysical As	In force	Jan 4, 2027	Jul 6, 2027	Term ends Mar 20, 2038	High confidence
US 9,075,162	Method and System for Separating Seismic Sources in Marine Simultaneous Shooting Acquisition PGS Geophysical As In force Fee due Jan 7, 2027 Lapses if unpaid Jul 7, 2027 Term ends Mar 8, 2034 · High confidence	PGS Geophysical As	In force	Jan 7, 2027	Jul 7, 2027	Term ends Mar 8, 2034	High confidence
US 10,346,278	Inversion Domain Merge Based on Cell Statistics PGS Geophysical As In force Fee due Jan 9, 2027 Lapses if unpaid Jul 9, 2027 Term ends May 9, 2038 · High confidence	PGS Geophysical As	In force	Jan 9, 2027	Jul 9, 2027	Term ends May 9, 2038	High confidence
US 11,698,472	Method and System for Separating Seismic Sources in Marine Simultaneous Shooting Acquisition PGS Geophysical AS In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 Term ends Apr 29, 2032 · High confidence	PGS Geophysical AS	In force	Jan 11, 2027	Jul 12, 2027	Term ends Apr 29, 2032	High confidence
US 10,350,638	Resonating Gas Seismic Source PGS Geophysical As and Geospectrum Technologies Inc. In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Feb 27, 2036 · High confidence	PGS Geophysical As and Geospectrum Technologies Inc.	In force	Jan 16, 2027	Jul 16, 2027	Term ends Feb 27, 2036	High confidence
65 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 75 patents shown. Soonest fee due date first, then patent number.

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