Also listed on Graham Packaging LC, L.P., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 7, 2031 · High confidence
20-year base term ends Sep 22, 2029
Held by CO2PAC Limited
Filed Sep 30, 2011 as application 13/250,189 · Granted May 5, 2015
Base term plus 531 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Sep 22, 2009
Sep 22, 2009
Term ends
Mar 7, 2031
Mar 7, 2031
Granted
May 5, 2015
May 5, 2015
base term
patent term adjustment
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
531
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,507,063, to Mar 7, 2031. The term already ends on or before that date, so the cap shortened nothing.
3 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.
4
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 531 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. 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 22, 2009, when application 12/564,845, the earliest non-provisional in its chain, was filed (this one was filed Sep 30, 2011) | Sep 22, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +531 days, USPTO patent term adjustment record | Mar 7, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,507,063) | resolves to Mar 7, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 7, 2031 | High confidence |
This family
| US 8,507,063 | In force Jan 2032 | Jan 2032 |
| Application PCT/US2010/048862 | PCT application no patent term | no patent term |
| US 9,023,446 | this patent Mar 2031 | Mar 2031 |
| US 10,471,642 | In force Oct 2031 | Oct 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 14, 2011 Reel 27385, frame 452 | Silvers, Kerry W.; Schneider, Mark D.; Bobrov, Sergey B.; Evins, Samuel E. | Graham Packaging Lc, L.p. | Assignment of Assignor's Interest |
| Mar 22, 2012 Reel 27915, frame 402 | Graham Packaging Lc, L.p. | The Bank of New York Mellon | Patent Security Agreement |
| Feb 12, 2016 Reel 37727, frame 846 | Graham Packaging Lc, L.p. | Graham Packaging Pet Technologies Inc. | Merger |
| Aug 4, 2020 Reel 53398, frame 381 | Graham Packaging Company, L.p.; Graham Packaging Pet Technologies Inc.; Graham Packaging Plastic Products LLC | Credit Suisse AG, Cayman Islands Branch, as Administrative Agent | Security Interest |
| Aug 4, 2020 Reel 53396, frame 629 | The Bank of New York Mellon, as the Collateral Agent and Trustee | Graham Packaging Pet Technologies Inc. | Release of Security Interest in Certain Patent Collateral |
| Nov 6, 2024 Reel 69154, frame 174 | UBS AG, Stamford Branch (as Successor to Credit Suisse AG, Cayman Islands Branch, in Its Capacity as Collateral Agent) as Collateral Agent | Graham Packaging Company, L.p.; Graham Packaging Pet Technologies Inc.; Graham Packaging Plastic Products LLC | Release of Security Interest |
| Nov 6, 2024 reel/frame not recorded | UBS AG, Stamford Branch (as Successor to Credit Suisse AG, Cayman Islands Branch, in Its Capacity as Collateral Agent) as Collateral Agent | Graham Packaging Company, L.p. | Release of Security Interest |
| Nov 6, 2024 reel/frame not recorded | UBS AG, Stamford Branch (as Successor to Credit Suisse AG, Cayman Islands Branch, in Its Capacity as Collateral Agent) as Collateral Agent | Graham Packaging Pet Technologies Inc. | Release of Security Interest |
| Nov 6, 2024 reel/frame not recorded | UBS AG, Stamford Branch (as Successor to Credit Suisse AG, Cayman Islands Branch, in Its Capacity as Collateral Agent) as Collateral Agent | Graham Packaging Plastic Products LLC | Release of Security Interest |
| Nov 7, 2024 Reel 69317, frame 56 | Graham Packaging Pet Technologies Inc. | CO2PAC Limited | Assignment Effective August 27, 2024 |
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
Mar 2031
Term ends Mar 7, 2031. No further fees fall due before then
Note
The 531 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,507,063, ends no earlier than this term, so it caps nothing.
Citations
25
later US patents cite this one
That is top 25% 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.