Lapsed Feb 26, 2025 on the fee record · High confidence
20-year base term ends Sep 24, 2029
Third maintenance fee unpaid; grace period ended.
Filed Sep 24, 2009 as application 12/566,071 · Granted Feb 26, 2013
Base term, 20 years from filing, plus 553 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 26, 2025
2009
2031
Clock starts
Sep 24, 2009
Sep 24, 2009
No longer in force
Feb 26, 2025
Feb 26, 2025
Granted
Feb 26, 2013
Feb 26, 2013
Term would have run to
Mar 31, 2031
Mar 31, 2031
base term
patent term adjustment
after the term ends
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
553
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
11
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Mar 31, 2031: its 20-year base term plus 553 days of term adjustment for prosecution delay. Confidence: High. 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 Sep 24, 2009, when this application, 12/566,071, was filed | Sep 24, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +553 days, USPTO patent term adjustment record | Mar 31, 2031 | 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 | lapsed Feb 26, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 26, 2025 | High confidence |
This family
| US 8,140,007 | In force Jun 2030 | Jun 2030 |
| US 8,243,851 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 8,396,416 | In force Apr 2030 | Apr 2030 |
| US 8,009,095 | In force Dec 2029 | Dec 2029 |
| US 8,433,260 | In force Jan 2032 | Jan 2032 |
| US 8,385,468 | this patent Feb 2025 | Feb 2025 |
| US 8,265,572 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| US 8,311,166 | In force Nov 2030 | Nov 2030 |
8 of 11 applications in this family shown, earliest filings first. 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 16, 2009 Reel 23659, frame 743 | Karthaus, Udo; Wagner, Horst | Ubidyne, Inc. | Assignment of Assignor's Interest |
| Nov 7, 2013 Reel 31598, frame 597 | Ubidyne, Inc. | Kathrein-Werke KG | Assignment of Assignor's Interest |
| Sep 20, 2018 Reel 47115, frame 550 | Kathrein SE (Successor by Merger to Kathrein-Werke KG) | Commerzbank Aktiengesellschaft, As Security Agent | Confirmation of Grant of Security Interest in U.S. Intellectual Property |
| Oct 3, 2018 Reel 47057, frame 41 | Kathrein-Werke KG; Kathrein SE | Kathrein SE | Merger and Change of Name |
| Oct 24, 2019 Reel 50817, frame 146 | Commerzbank Aktiengesellschaft | Kathrein SE; Kathrein Intellectual Property GmbH | Release of Security Interest |
| Oct 24, 2019 reel/frame not recorded | Commerzbank Aktiengesellschaft | Kathrein SE | Release of Security Interest |
| Oct 24, 2019 reel/frame not recorded | Commerzbank Aktiengesellschaft | Kathrein Intellectual Property GmbH | Release of Security Interest |
| Sep 17, 2020 Reel 53798, frame 470 | Kathrein SE | Ericsson AB | Assignment of Assignor's Interest |
| Sep 17, 2020 Reel 53816, frame 791 | Ericsson AB | Telefonaktiebolaget LM Ericsson (publ) | 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
Note
The 553 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is above the median of utility patents granted in 2013 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.