Maintenance fees coming due
20 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 9,046,413 | Methods, Apparatus and Systems for Surface Type Detection in Connection with Locate and Marking Operations In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 · Medium confidence | Certusview Technologies, LLC | In force | Dec 2, 2026 | Jun 2, 2027 | Medium confidence | |
| US 9,086,277 | Electronically Controlled Marking Apparatus and Methods In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 · High confidence | Certusview Technologies, LLC | In force | Jan 21, 2027 | Jul 21, 2027 | High confidence | |
| US 9,088,310 | Cable Communication Systems and Methods Employing Qam Upstream Channels Below 16.4 MHZ for Increased Aggregate Deployed Upstream Capacity In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 · Medium confidence | Certusview Technologies, LLC | In force | Jan 21, 2027 | Jul 21, 2027 | Medium confidence | |
| US 9,097,522 | Methods and Marking Devices with Mechanisms for Indicating And/Or Detecting Marking Material Color In force Fee due Feb 4, 2027 Lapses if unpaid Aug 4, 2027 · High confidence | Certusview Technologies, LLC | In force | Feb 4, 2027 | Aug 4, 2027 | High confidence | |
| US 9,124,780 | Methods and Apparatus for Tracking Motion And/Or Orientation of a Marking Device In force Fee due Mar 1, 2027 Lapses if unpaid Sep 1, 2027 · High confidence | Certusview Technologies, LLC | In force | Mar 1, 2027 | Sep 1, 2027 | High confidence | |
| US 9,159,107 | Methods, Apparatus and Systems for Generating Location-Corrected Searchable Electronic Records of Underground Facility Locate And/Or Marking Operations In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 · High confidence | Certusview Technologies, LLC | In force | Apr 13, 2027 | Oct 13, 2027 | High confidence | |
| US 9,165,331 | Methods, Apparatus and Systems for Generating Searchable Electronic Records of Underground Facility Locate And/Or Marking Operations and Assessing Aspects of Same In force Fee due Apr 20, 2027 Lapses if unpaid Oct 20, 2027 · Medium confidence | Certusview Technologies, LLC | In force | Apr 20, 2027 | Oct 20, 2027 | Medium confidence | |
| US 9,177,280 | Methods, Apparatus, and Systems for Acquiring an Enhanced Positive Response for Underground Facility Locate and Marking Operations Based on an Electronic Manifest Documenting Physical Locate Marks on Ground, Pavement, or Other Surface In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · High confidence | Certusview Technologies, LLC | In force | May 3, 2027 | Nov 3, 2027 | High confidence | |
| US 9,177,403 | Methods and Apparatus for Overlaying Electronic Marking Information on Facilities Map Information And/Or Other Image Information Displayed on a Marking Device In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · Medium confidence | Certusview Technologies, LLC | In force | May 3, 2027 | Nov 3, 2027 | Medium confidence | |
| US 9,183,646 | Apparatus, Systems and Methods to Generate Electronic Records of Underground Facility Marking Operations Performed with GPS-Enabled Marking Devices In force Fee due May 10, 2027 Lapses if unpaid Nov 10, 2027 · Medium confidence | Certusview Technologies, LLC | In force | May 10, 2027 | Nov 10, 2027 | Medium confidence | |
| 10 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 20 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.