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Viral Inhibitors

US 8,263,612 in-force K U Leuven Research and Development · Filed Dec 14, 2007 · Granted Sep 11, 2012

Term ends Mar 31, 2031

Base term plus 1203 days of PTA
Today
20y-from-earliest-nonprovisional
Expires Mar 2031
2007 2031
Clock starts
Dec 14, 2007
Granted
Sep 11, 2012
Term ends
Mar 31, 2031
base term patent term adjustment fee events Computed Aug 22, 2026 · countdowns run from that date · how we know
1,203
Days of PTA
5
Applications in this family

This patent's term runs 1203 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. Confidence: High. from the record

How this date was computed

Every step shows its rule, its 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, 20y-from-earliest-nonprovisionalClock starts Dec 14, 2007Dec 14, 2027High
Patent term adjustment+1203 days, USPTO PTA recordMar 31, 2031High
Patent term extensionNone on fileno changeHigh
Terminal disclaimer capNone found; file history unreviewedno cap appliedMedium
Fee events3 of 3 maintenance fees paidin-forceHigh
Computed term endThe steps above, in orderMar 31, 2031High

The computation, verbatim

base=20y-from-earliest-nonprovisional: 2007-12-14+20y | =2027-12-14 | PTA+1203d=2031-03-31 | PTE:none | TD:none | paid 4yr@2016-08-19,8yr@2020-03-03,12yr@2024-03-11 | status=in-force@2031-03-31

This family

Application 60/874,797pendingnot computed
Application PCT/US2007/025689pendingnot computed
US 8,263,612this patentMar 2031
US 8,722,677in-forceDec 2027
US 9,242,983in-forceDec 2027

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
May 9, 2008
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardGilead Sciences, Inc.Assignment of Assignor's Interest
May 9, 2008
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardK.U. Leuven Research & DevelopmentAssignment of Assignor's Interest
May 9, 2008
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardPuerstinger, GerhardAssignment of Assignor's Interest
Sep 4, 2015
reel/frame not recorded
Gilead Sciences, Inc.K.U. Leuven Research & DevelopmentAssignment of Assignor's Interest
Jan 4, 2018
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardGilead Sciences, Inc.Corrective Assignment to Correct the Second Assignee's Name and Address Previously Recorded on Reel 020925 Frame 0652. Assignor(s) Hereby Confirms the Assignment.
Jan 4, 2018
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardKatholieke Universiteit LeuvenCorrective Assignment to Correct the Second Assignee's Name and Address Previously Recorded on Reel 020925 Frame 0652. Assignor(s) Hereby Confirms the Assignment.
Jan 4, 2018
reel/frame not recorded
Oare, David a.; Bondy, Steven S.; Puerstinger, GerhardPuerstinger, GerhardCorrective Assignment to Correct the Second Assignee's Name and Address Previously Recorded on Reel 020925 Frame 0652. Assignor(s) Hereby Confirms the Assignment.
Jan 4, 2018
reel/frame not recorded
Gilead Sciences, Inc.Katholieke Universiteit LeuvenCorrective Assignment to Correct the Assignment Previously Recorded at Reel: 036495 Frame: 0004. Assignor(s) Hereby Confirms the Corrective Assignment to Correct the Assignee Name and Address..
alerts on grants, lapses, transfers
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What's changing

Aug 22, 2026
Note
The 1203 days of PTA are read from the USPTO record, not recalculated by us

Citations

5
later US patents cite this one
That is above the median of patents granted in 2012, 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.
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