Collateral for a security interest recorded Jun 9, 2022 (Goldman Sachs Bank USA).
Lapsed Oct 27, 2023 on the fee record · Medium confidence
20-year base term ended Jun 16, 2026
Why Medium: A parent in the chain could not be resolved.
Second maintenance fee unpaid; grace period ended.
Held by Georgia-Pacific Chemicals LLC
Filed Jan 13, 2012 as application 13/350,481 · Granted Oct 27, 2015
Base term, 20 years from filing, plus 168 days of patent term adjustment (USPTO delay)
Today
Lapsed Oct 27, 2023
2006
2026
Clock starts
Jun 16, 2006
Jun 16, 2006
No longer in force
Oct 27, 2023
Oct 27, 2023
Granted
Oct 27, 2015
Oct 27, 2015
Term would have run to
Dec 1, 2026
Dec 1, 2026
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
168
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
6
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 Dec 1, 2026: its 20-year base term plus 168 days of term adjustment for prosecution delay. 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 Jun 16, 2006, when applications 11/454,326 and 11/454,327, the earliest non-provisional applications in its chain, were filed (this one was filed Jan 13, 2012); a parent in its chain could not be resolved (the next row) | Jun 16, 2026 | 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 | +168 days, USPTO patent term adjustment record | Dec 1, 2026 | 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 | 1 of 2 maintenance fees paid | lapsed Oct 27, 2023 | High confidence |
| Computed term end | The steps above, in order | Oct 27, 2023 | Medium confidence |
This family
| US 7,803,879 | In force Jan 2029 | Jan 2029 |
| US 7,795,354 | In force Jan 2029 | Jan 2029 |
| US 9,169,157 | In force Mar 2027 | Mar 2027 |
| US 9,217,065 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 9,169,364 | this patent Oct 2023 | Oct 2023 |
5 of 6 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 |
|---|---|---|---|
| Apr 13, 2012 Reel 28039, frame 672 | Srinivasan, Ramji; Gapud, Benjamin D.; Shoemake, Kelly A. | Georgia-Pacific Chemicals LLC | Assignment of Assignor's Interest |
| Jun 9, 2022 Reel 60328, frame 250 | Georgia-Pacific Chemicals LLC; Georgia-Pacific Consumer Products LP; ENERG2 Technologies, Inc.; Koch Agronomic Services LLC; Bakelite UK Holding Ltd.; Surface Tech LLC | Goldman Sachs Bank USA, as Administrative Agent | Security Interest |
| Jun 9, 2022 Reel 60328, frame 327 | Georgia-Pacific Chemicals LLC; Georgia-Pacific Consumer Products LP; ENERG2 Technologies, Inc.; Koch Agronomic Services LLC; Bakelite UK Holding Ltd. | Macquarie Capital Funding LLC, as Administrative Agent | Security Interest |
| May 12, 2025 Reel 71276, frame 379 | Macquarie Capital Funding LLC | Jpmorgan Chase Bank, N.a. | Assignment of Patent and Trademark Security 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 168 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median 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.