Term ends Apr 13, 2036 · Medium confidence
20-year base term ends Dec 16, 2035
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,168,554), so the cap could be lower.
Dec 16, 2015
Apr 13, 2036
Feb 6, 2024
This patent's term runs 147 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 16, 2015, when application 14/971,450, the earliest non-provisional in its chain, was filed (this one was filed Oct 13, 2021) | Dec 16, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +147 days, USPTO patent term adjustment record | May 11, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,378,326, US 11,168,554) | capped to Apr 13, 2036 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 13, 2036 | Medium confidence |
This family
| US 9,534,473 | In force Dec 2035 | Dec 2035 |
| US 10,378,326 | In force Apr 2036 | Apr 2036 |
| US 11,168,554 | In force no later than Jun 2036 | no later than Jun 2036 |
| US 11,891,993 | this patent Apr 2036 | Apr 2036 |
| US 12,624,685 | In force Feb 2036 | Feb 2036 |
| Application 19/659,228 | Pending not computed | not computed |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 18, 2021 Reel 57817, frame 476 | Morris, Jeffrey G.; Jensen, Neal; Bodishbaugh, Adrian Benjamin | Evolution Well Services, LLC | Assignment of Assignor's Interest |
| Oct 18, 2021 Reel 57817, frame 635 | Evolution Well Services, LLC | Typhon Technology Solutions, LLC | Assignment of Assignor's Interest |
| Mar 4, 2022 Reel 59318, frame 911 | Typhon Technology Solutions (U.S.), LLC | Texas Capital Bank | Security Interest |
| Mar 7, 2022 Reel 59334, frame 339 | Typhon Technology Solutions (U.S.), LLC | Goldman Sachs Bank USA, as Collateral Agent | Security Interest |
| Mar 7, 2022 Reel 59575, frame 324 | Typhon Technology Solutions, LLC | Typhon Technology Solutions (U.S.), LLC | Assignment of Assignor's Interest |
| Jul 2, 2024 Reel 68233, frame 375 | Typhon Technology Solutions (U.S.), LLC | Texas Capital Bank | Security Interest |
| Jul 9, 2024 Reel 68258, frame 755 | Goldman Sachs Bank USA | Typhon Technology Solutions (U.S.), LLC | Termination and Release of Security Interest in Patent Rights |
| Aug 26, 2024 Reel 68845, frame 863 | Goldman Sachs Bank USA | Typhon Technology Solutions (U.S.), LLC | Corrective Assignment to Correct the Correct the Erroneous Document Included in the Termination and Release of Security Interest in Patent Rights Previously Recorded at Reel: 68258 Frame: 755. Assignor(S) Hereby Confirms the Termination and Release of Security Interest in Patent Rignts. |
| Jul 3, 2025 Reel 71820, frame 601 | Typhon Technology Solutions (U.S.), LLC | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Sep 3, 2025 Reel 73151, frame 1 | Typhon Technology Solutions (U.S.), LLC | Wells Fargo Bank, National Association, as Agent | Corrective Assignment to Correct the Cover Sheet to Remove Oath/Declaration Option Previously Recorded on Reel 71820 Frame 601. Assignor(S) Hereby Confirms the Security Interest. |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
What's changing
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,378,326, US 11,168,554.