Term ends Mar 21, 2021 · Medium confidence
Statutory term ends Aug 17, 2031
Base term plus 90 days of PTA · capped by a resolved terminal disclaimer
Today
20y-from-earliest-nonprovisional
Expired Mar 2021
2011
2031
Clock starts
Aug 17, 2011
Aug 17, 2011
Granted
Mar 21, 2017
Mar 21, 2017
No longer in force
Mar 21, 2021
Mar 21, 2021
Term would have run to
Nov 15, 2031
Nov 15, 2031
base term
patent term adjustment
Computed Aug 28, 2026 · countdowns run from that date · how we know
90
Days of PTA
3
Applications in this family
This patent's term runs 90 days past the statutory base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. Confidence: Medium. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20y-from-earliest-nonprovisional | Clock starts Aug 17, 2011 | Aug 17, 2031 | High |
| Continuity chain | Every parent in the chain resolved | no change | High |
| Patent term adjustment | +90 days, USPTO PTA record | Nov 15, 2031 | High |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,788,683) | resolves to Nov 15, 2031, no earlier than this term, so no change | Medium |
| Patent term extension | None on file | no change | High |
| Fee events | 0 of 3 maintenance fees paid | lapsed Mar 21, 2021 | High |
| Computed term end | The steps above, in order | Mar 21, 2021 | Medium |
The computation, verbatim
base=20y-from-earliest-nonprovisional: 2011-08-17+20y | =2031-08-17 | PTA+90d=2031-11-15 | PTE:none | TD:approved | 4yr fee not paid - grace period ended 2021-03-21, expired as of grace end; USPTO recorded EXP. event(s) also on 2021-04-26 (administrative date - statutory grace end above governs) | status=expired-fees@2021-03-21 | TD-cap from disclaimer doc (refs 8788683) -> 2031-11-15
terminal disclaimer approved - true expiration may be capped to family sibling
This family
| US 8,788,683 | expired-fees | Jul 2026 |
| US 9,185,154 | in-force | Aug 2031 |
| US 9,600,381 | this patent | Mar 2021 |
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 |
|---|---|---|---|
| Feb 5, 2016 reel/frame not recorded | Robinson, Dom; Roe, Adrian; Strong, Steve; Ball, Simon | Thomson Reuters (MARKETS) LLC | Assignment of Assignor's Interest |
| Feb 5, 2016 reel/frame not recorded | Thomson Reuters (MARKETS) LLC | Thomson Reuters Global Resources | Assignment of Assignor's Interest |
| Feb 5, 2016 reel/frame not recorded | Thomson Reuters Global Resources | Nasdaq Omx Corporate Solutions, LLC | Assignment of Assignor's Interest |
| Feb 5, 2016 reel/frame not recorded | Nasdaq Omx Corporate Solutions, LLC | The Nasdaq Omx Group, Inc. | Assignment of Assignor's Interest |
| Feb 5, 2016 reel/frame not recorded | The Nasdaq Omx Group, Inc. | Nasdaq, Inc. | Change of Name |
| Jun 14, 2018 reel/frame not recorded | Nasdaq, Inc. | West Corporation | Assignment of Assignor's Interest |
| Aug 17, 2018 reel/frame not recorded | West Corporation | Credit Suisse AG, Cayman Islands Branch | Security Interest |
Free plan: 3 watched companies. Pro: unlimited.
alerts on grants, lapses, transfers
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What's changing
Aug 28, 2026Note
The 90 days of PTA are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,788,683.
Citations
2
later US patents cite this one
Patents granted this recently have not had time to be cited, so we show the count and do not rank on it.
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.