Also listed on Vector CC Holdings III, SRL, which filed it. The recorded assignments below show how it moved.
Collateral for a security interest recorded May 1, 2026 (First-Citizens Bank & Trust Company).
Term ends Jan 16, 2027 · High confidence
20-year base term ended May 10, 2024
Held by Corel Corporation
Filed May 10, 2004 · Granted Dec 9, 2008
Base term plus 981 days of PTA
Today
2004
2027
Clock starts
May 10, 2004
May 10, 2004
Term ends
Jan 16, 2027
Jan 16, 2027
Granted
Dec 9, 2008
Dec 9, 2008
base term
patent term adjustment
fee events
Updated Nov 1, 2026 · includes USPTO assignment & status data published Nov 1, 2026 and grant & fee data published Oct 27, 2026 (weekly) · how we know
981
Days of term adjustment
Read from the USPTO PTA 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.
This patent's term runs 981 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 May 10, 2004 | May 10, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +981 days, USPTO PTA record | Jan 16, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 16, 2027 | High confidence |
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 |
|---|---|---|---|
| May 10, 2004 Reel 15317, frame 312 | Nian, Yau-wen; Chen, Hsiao-hui | Institute for Information Industry | Assignment of Assignor's Interest |
| Jun 14, 2006 Reel 17792, frame 707 | Institute for Information Industry (III) | Ulead Systems, Inc. | Patent and Software Licence Agreement |
| May 16, 2012 Reel 28215, frame 68 | Ulead Systems, Inc. | Corel Corporation | Assignment of Assignor's Interest |
| May 16, 2013 Reel 30427, frame 331 | Corel Corporation | Vector Cc Holdings, Srl; Vector CC Holdings III, SRL; Vector CC Holdings IV, SRL | Assignment of Assignor's Interest |
| May 16, 2013 reel/frame not recorded | Corel Corporation | Vector Cc Holdings, Srl | Assignment of Assignor's Interest |
| May 16, 2013 reel/frame not recorded | Corel Corporation | Vector CC Holdings III, SRL | Assignment of Assignor's Interest |
| May 16, 2013 reel/frame not recorded | Corel Corporation | Vector CC Holdings IV, SRL | Assignment of Assignor's Interest |
| May 17, 2013 Reel 30427, frame 403 | Vector Cc Holdings, Srl; Vector CC Holdings III, SRL; Vector CC Holdings IV, SRL | 8324450 Canada Inc. | Assignment of Assignor's Interest |
| Aug 1, 2013 Reel 30986, frame 268 | Corel Corporation | 8324450 Canada Inc. | Corrective Assignment to Correct the Assignee, and Replace the Assignment Previously Recorded on Reel 030427 Frame 0331. Assignor(S) Hereby Confirms the Assignment to 8324450 Canada Inc. |
| Dec 17, 2014 Reel 34651, frame 817 | 8324450 Canada Inc. | 8324450 Delaware LLC | Entity Domicile Change |
| Nov 29, 2018 Reel 47675, frame 950 | 8324450 Canada Inc. | Corel Software LLC | Change of Name |
| Jan 13, 2019 Reel 48067, frame 586 | Corel Software LLC | Corel Corporation | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
Maintenance fee events come from USPTO's own fee records. USPTO does not publish a per-patent fee page, so there is nothing to link to.
What's changing
Jan 2027
Term ends Jan 16, 2027. No further fees fall due before then
Note
The 981 days of PTA are read from the USPTO record, not recalculated by us
Citations
24
later US patents cite this one
That is above the median of utility patents granted in 2008 in our data, the only group it is compared against.
How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, 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.