Term ends May 19, 2031 · Medium confidence
20-year base term ends May 19, 2031
Why Medium: A parent in the chain could not be resolved.
Held by Bayer Intellectual Property GmbH
Filed Nov 24, 2014 as application 14/552,122 · Granted Feb 23, 2016
Base term, 20 years from filing
Today
2011
2031
Clock starts
May 19, 2011
May 19, 2011
Term ends
May 19, 2031
May 19, 2031
Granted
Feb 23, 2016
Feb 23, 2016
base term
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts May 19, 2011, when application 13/111,856, the earliest non-provisional in its chain, was filed (this one was filed Nov 24, 2014); a parent in its chain could not be resolved (the next row) | May 19, 2031 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 19, 2031 | Medium confidence |
This family
| US 8,420,656 | In force May 2031 | May 2031 |
| US 8,921,377 | In force May 2031 | May 2031 |
| US 9,266,885 | this patent May 2031 | May 2031 |
| Application 14/996,678 | Abandoned not computed | not computed |
| US 9,993,476 | In force May 2031 | May 2031 |
| US 10,736,896 | In force May 2031 | May 2031 |
| US 11,439,642 | In force May 2031 | May 2031 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 23, 2014 Reel 34577, frame 443 | Bayer Intellectual Property GmbH | Adverio Pharma GmbH | Assignment of Assignor's Interest |
| Jan 21, 2015 Reel 34839, frame 604 | Bayer Intellectual Property GmbH | Adverio Pharma GmbH | Corrective Assignment to Correct the Application Number 14217644 Previously Recorded at Reel: 034577 Frame: 0443. Assignor(S) Hereby Confirms the Assignment. |
| Feb 4, 2021 Reel 55151, frame 491 | Follmann, Markus; Stasch, Johannes-peter; Redlich, Gorden; Ackerstaff, Jens; Griebenow, Nils; Kroh, Walter; Knorr, Andreas; Becker, Eva-maria; Wunder, Frank; Li, Volkhart Min-jian; Hartmann, Elke; Mittendorf, Joachim; Schlemmer, Karl-heinz; Jautelat, Rolf; Bierer, Donald | Bayer Schering Pharma Aktiengesellschaft | Assignment of Assignor's Interest |
| Feb 4, 2021 Reel 55152, frame 31 | Bayer Pharma Aktiengesellschaft | Bayer Intellectual Property GmbH | Nunc Pro Tunc Assignment |
| Feb 4, 2021 Reel 55222, frame 814 | Bayer Schering Pharma Aktiengesellschaft | Bayer Pharma Aktiengesellschaft | Change of Name |
| Feb 8, 2021 Reel 56907, frame 570 | Adverio Pharma GmbH | Adverio Pharma GmbH | Change of Patentee Address |
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.
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Alerts on its grants, lapses and transfers.
What's changing
May 2031
Term ends May 19, 2031. Maintenance fees still fall due before then
Citations
26
later US patents cite this one
That is top 25% of utility patents granted in 2016 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.