Term ends Jun 9, 2027 · High confidence
20-year base term ended May 9, 2023
Held by KHS GmbH
Filed Jun 17, 2005 as application 10/515,610 · Granted Feb 24, 2015
Base term plus 1492 days of patent term adjustment (USPTO delay)
Today
2003
2027
Clock starts
May 9, 2003
May 9, 2003
Term ends
Jun 9, 2027
Jun 9, 2027
Granted
Feb 24, 2015
Feb 24, 2015
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,492
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.
28
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 runs 1492 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 May 9, 2003, when application PCT/DE2003/001505, the earliest non-provisional in its chain, was filed (this one was filed Jun 17, 2005) | May 9, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1492 days, USPTO patent term adjustment record | Jun 9, 2027 | 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 | Jun 9, 2027 | High confidence |
This family
| US 8,961,688 | this patent Jun 2027 | Jun 2027 |
| US 8,574,486 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 8,450,113 | Lapsed on the fee record May 2025 | May 2025 |
| US 8,354,054 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 8,980,162 | In force Jul 2029 | Jul 2029 |
| US 9,925,710 | In force Mar 2032 | Mar 2032 |
| US 8,167,607 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,545,748 | In force Feb 2029 | Feb 2029 |
8 of 28 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 |
|---|---|---|---|
| Jul 22, 2005 Reel 16574, frame 142 | Lizenberg, Michael; Lewis, Frank; Muller, Hartwig; Vogel, Klaus; Arnold, Gregor; Behle, Stephan; Luttringhaous-henkel, Andreas; Bicker, Matthias; Klein, Jurgen; Walther, Marten | Sig Technology Ltd. | Assignment of Assignor's Interest |
| Jul 22, 2005 Reel 16574, frame 485 | Lizenberg, Michael; Lewis, Frank; Muller, Hartwig; Vogel, Klaus; Arnold, Gregor; Behle, Stephan; Luttringhaus-henkel, Andreas; Bicker, Matthias; Klein, Jurgen; Walther, Marten | Sig Technology Ltd. | Assignment of Assignor's Interest |
| Aug 6, 2009 Reel 23064, frame 697 | Sig Technology Ltd. | KHS Corpoplast GmbH & Co. KG | Assignment of Assignor's Interest |
| Aug 2, 2013 Reel 30935, frame 993 | KHS Corpoplast GmbH & Co. KG | KHS Corpoplast GmbH | Change of Name |
| Jul 19, 2022 Reel 60715, frame 640 | KHS Corpoplast GmbH | KHS GmbH | Merger |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2027
Term ends Jun 9, 2027.
Note
The 1492 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
44
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.