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US 9,304,684 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 5, 2020 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Apr 9, 2013 as application 13/859,165 · Granted Apr 5, 2016
Base term, 20 years from filing, plus 133 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 5, 2020
2007 2027
Clock starts
Aug 2, 2007
No longer in force
Apr 5, 2020
Granted
Apr 5, 2016
Term would have run to
Dec 13, 2027
base term patent term adjustment after the term ends 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
133
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
2
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 13, 2027: its 20-year base term plus 133 days of term adjustment for prosecution delay. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Aug 2, 2007, when application 11/832,655, the earliest non-provisional in its chain, was filed (this one was filed Apr 9, 2013)Aug 2, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+133 days, USPTO patent term adjustment recordDec 13, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidlapsed Apr 5, 2020High confidence
Computed term endThe steps above, in orderApr 5, 2020High confidence

This family

US 8,416,221In force
Nov 2030
Nov 2030
US 9,304,684this patent
Apr 2020
Apr 2020
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.
RecordedAssignorAssigneeConveyance
Dec 23, 2016
Reel 41187, frame 165
Corel CorporationSilicon Valley Bank, As Administrative AgentSecurity Interest
Jun 4, 2018
Reel 47229, frame 384
Silicon Valley Bank, As Administrative AgentCorel CorporationRelease of Security Interest
Jun 5, 2018
Reel 46299, frame 836
Corel CorporationUBS AG, Stamford BranchSecurity Interest
Jul 3, 2019
Reel 49678, frame 950
Cascade Bidco Corp.; Corel Inc.; Clearslide Inc.Citibank, N.a.Security Interest
Jul 3, 2019
Reel 49678, frame 980
Cascade Bidco Corp.; Corel Inc.; Clearslide Inc.Cantor Fitzgerald SecuritiesSecurity Interest
Jul 17, 2019
Reel 49773, frame 628
UBS AG, Stamford BranchCorel Corporation; Clearslide, Inc.Release of Security Interest Recorded at : Reel 046299 Frame 0836
Jul 17, 2019
reel/frame not recorded
UBS AG, Stamford BranchCorel CorporationRelease of Security Interest Recorded at : Reel 046299 Frame 0836
Jul 17, 2019
reel/frame not recorded
UBS AG, Stamford BranchClearslide, Inc.Release of Security Interest Recorded at : Reel 046299 Frame 0836
Jul 18, 2019
Reel 49787, frame 73
UBS AG, Stamford Branch, as Administrative and Collateral AgentCorel Corporation; Clearslide, Inc.; Parallels International GmbHRelease of Security Interest
Jul 18, 2019
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative and Collateral AgentCorel CorporationRelease of Security Interest
Jul 18, 2019
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative and Collateral AgentClearslide, Inc.Release of Security Interest
Jul 18, 2019
reel/frame not recorded
UBS AG, Stamford Branch, as Administrative and Collateral AgentParallels International GmbHRelease of Security Interest
May 5, 2026
Reel 75559, frame 953
Citibank, N.A., as AgentCorel Corporation; Cascade Bidco Corp.; Corel Inc.; Clearslide Inc.Release of Security Interest
May 6, 2026
Reel 75522, frame 510
Cantor Fitzgerald Securities, As Collateral AgentClearslide Inc.; Corel Corporation (as Successor in Interest to Cascade Bidco Corp.)Termination and Release of Second Lien Security Interest in Patent Rights
May 6, 2026
reel/frame not recorded
Cantor Fitzgerald Securities, As Collateral AgentClearslide Inc.Termination and Release of Second Lien Security Interest in Patent Rights
May 6, 2026
reel/frame not recorded
Cantor Fitzgerald Securities, As Collateral AgentCorel Corporation (as Successor in Interest to Cascade Bidco Corp.)Termination and Release of Second Lien Security Interest in Patent Rights

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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