Collateral for a security interest recorded Aug 25, 2021 (HSBC Bank USA, National Association).
Term ends Jul 8, 2029 · High confidence
20-year base term ends Feb 4, 2029
Held by Geon Performance Solutions, LLC
Filed Aug 11, 2010 as application 12/867,211 · Granted Feb 26, 2013
Base term plus 154 days of patent term adjustment (USPTO delay)
Today
2009
2029
Clock starts
Feb 4, 2009
Feb 4, 2009
Term ends
Jul 8, 2029
Jul 8, 2029
Granted
Feb 26, 2013
Feb 26, 2013
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
154
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
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 154 days past its 20-year base term on prosecution delay. 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 Feb 4, 2009, when application PCT/US2009/033043, the earliest non-provisional in its chain, was filed (this one was filed Aug 11, 2010) | Feb 4, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +154 days, USPTO patent term adjustment record | Jul 8, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 8, 2029 | High confidence |
This family
| US 8,383,708 | this patent Jul 2029 | Jul 2029 |
1 of 2 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 23, 2011 Reel 27522, frame 154 | PolyOne Corporation; Gayson Silicone Dispersions, Inc.; Colormatrix Corporation, The; Colormatrix Holdings, Inc. | Wells Fargo Capital Finance, LLC | Security Agreement |
| Dec 28, 2011 Reel 27450, frame 907 | PolyOne Corporation | Bank Of America, N.a. | Security Agreement |
| Dec 29, 2011 Reel 27456, frame 779 | PolyOne Corporation | The Bank of New York Mellon Trust Company, N.A. | Security Agreement |
| Feb 28, 2013 Reel 29900, frame 240 | Bank of America, N.A., as Agent | PolyOne Corporation | Release of Security Interest Recorded at Reel 027450 Frame 0907 |
| Nov 18, 2015 Reel 37129, frame 199 | The Bank of New York Mellon Trust Company, N.A. | PolyOne Corporation | Release (REEL 027456 / Frame 0779) |
| Nov 19, 2015 Reel 37146, frame 724 | PolyOne Corporation; Colormatrix Group, Inc.; Colormatrix Holdings, Inc.; The Colormatrix Corporation; Gayson Silicone Dispersions, Inc.; PolyOne Designed Structures and Solutions LLC | Citibank, N.A,, as Administrative Agent | Security Agreement |
| Oct 25, 2019 Reel 50829, frame 840 | Echo US Holdings, LLC | Cerberus Business Finance Agency, LLC | Assignment for Security -- Patents |
| Oct 28, 2019 Reel 50838, frame 60 | Wells Fargo Capital Finance LLC | PolyOne Corporation; The Colormatrix Corporation; Colormatrix Holdings, Inc.; Gsdi Specialty Dispersions, Inc. | Partial Release of Security Interest Recorded at R/F 27522/0154 |
| Oct 28, 2019 Reel 50838, frame 320 | Citibank, N.A., as Administrative Agent | PolyOne Corporation | Partial Release of Security Interest Recorded at R/F/ 037146/0724 |
| Oct 28, 2019 Reel 50847, frame 396 | PolyOne Corporation | Echo US Holdings, LLC | Assignment of Assignor's Interest |
| Oct 28, 2019 reel/frame not recorded | Wells Fargo Capital Finance LLC | PolyOne Corporation | Partial Release of Security Interest Recorded at R/F 27522/0154 |
| Oct 28, 2019 reel/frame not recorded | Wells Fargo Capital Finance LLC | The Colormatrix Corporation | Partial Release of Security Interest Recorded at R/F 27522/0154 |
| Oct 28, 2019 reel/frame not recorded | Wells Fargo Capital Finance LLC | Colormatrix Holdings, Inc. | Partial Release of Security Interest Recorded at R/F 27522/0154 |
| Oct 28, 2019 reel/frame not recorded | Wells Fargo Capital Finance LLC | Gsdi Specialty Dispersions, Inc. | Partial Release of Security Interest Recorded at R/F 27522/0154 |
| Oct 29, 2019 Reel 50860, frame 746 | Echo US Holdings, LLC | Geon Performance Solutions, LLC | Change of Name |
| Aug 18, 2021 Reel 57221, frame 585 | Cerberus Business Finance Agency, LLC | Echo US Holdings, LLC | Release of Security Interest in Patents |
| Aug 25, 2021 Reel 57280, frame 941 | Geon Performance Solutions, LLC | HSBC Bank USA, National Association, as Collateral Agent | Security Interest |
| Sep 1, 2021 Reel 57350, frame 864 | Geng, Kebin; Avakian, Roger W.; Dupont, Louis; Horton, Stephen D. | PolyOne Corporation | Assignment of Assignor's Interest |
| Jun 24, 2025 Reel 71711, frame 354 | Wells Fargo Capital Finance, LLC, as Administrative Agent | Avient Corporation (F/K/A PolyOne Corporation); Gsdi Specialty Dispersions, Inc. (F/K/A Gayson Silicon Dispersions, Inc.); The Colormatrix Corporation; Colormatrix Holdings, Inc. | Release of Security Interests in Patents Recorded at Reel 027522, Frame 0154. |
| Jun 24, 2025 reel/frame not recorded | Wells Fargo Capital Finance, LLC, as Administrative Agent | Avient Corporation (F/K/A PolyOne Corporation) | Release of Security Interests in Patents Recorded at Reel 027522, Frame 0154. |
| Jun 24, 2025 reel/frame not recorded | Wells Fargo Capital Finance, LLC, as Administrative Agent | Gsdi Specialty Dispersions, Inc. (F/K/A Gayson Silicon Dispersions, Inc.) | Release of Security Interests in Patents Recorded at Reel 027522, Frame 0154. |
| Jun 24, 2025 reel/frame not recorded | Wells Fargo Capital Finance, LLC, as Administrative Agent | The Colormatrix Corporation | Release of Security Interests in Patents Recorded at Reel 027522, Frame 0154. |
| Jun 24, 2025 reel/frame not recorded | Wells Fargo Capital Finance, LLC, as Administrative Agent | Colormatrix Holdings, Inc. | Release of Security Interests in Patents Recorded at Reel 027522, Frame 0154. |
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
Jul 2029
Term ends Jul 8, 2029. No further fees fall due before then
Note
The 154 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is below 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.