Lapsed Sep 25, 2026 on the fee record · Medium confidence
20-year base term ends Dec 21, 2030
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Second maintenance fee unpaid; grace period ended.
Dec 21, 2010
Sep 25, 2026
Sep 25, 2018
Dec 21, 2030
Its term would have run to Dec 21, 2030: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 21, 2010, when application PCT/EP2010/007846, the earliest non-provisional in its chain, was filed (this one was filed Dec 15, 2016) | Dec 21, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Sep 25, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 25, 2026 | Medium confidence |
This family
| US 8,871,230 | Grace period ended Dec 2030 | Dec 2030 |
| US 9,555,122 | In force no later than Dec 2030 | no later than Dec 2030 |
| US 10,080,804 | this patent Sep 2026 | Sep 2026 |
| US 10,583,195 | In force Dec 2030 | Dec 2030 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 16, 2016 Reel 40640, frame 306 | Rudolph, Carsten; Geiger, Johannes-peter | Ethris GmbH | Assignment of Assignor's 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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Sep 25, 2026. We will not guess the cap.