Surrendered on reissue Jul 8, 2014 · Medium confidence
20-year base term ended Jul 19, 2021
Why Medium: No fee event states this; the fee state is read from the payments the fee record holds.
Surrendered on reissue Jul 8, 2014 · its term and maintenance fees continue in US RE44,998.
Held by NXP USA, Inc.
Filed Nov 20, 2006 as application 11/602,114 · Granted Nov 22, 2011
Base term, 20 years from filing, plus 320 days of patent term adjustment (USPTO delay)
Today
Surrendered Jul 8, 2014
2001
2026
Clock starts
Jul 19, 2001
Jul 19, 2001
No longer in force
Jul 8, 2014
Jul 8, 2014
Granted
Nov 22, 2011
Nov 22, 2011
Term would have run to
Jun 4, 2022
Jun 4, 2022
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
320
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
Not on record
Maintenance fees
USPTO's record of this patent carries no fee events. A gap in the record, not evidence of lapse.
28
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 320 days past its 20-year base term on prosecution delay. USPTO's record of this patent carries no fee events, so no fee is counted as paid or unpaid. Confidence: Medium. 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 Jul 19, 2001, when application 09/909,187, the earliest non-provisional in its chain, was filed (this one was filed Nov 20, 2006) | Jul 19, 2021 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +320 days, USPTO patent term adjustment record | Jun 4, 2022 | 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 | No fee events in USPTO's record of this patent. A gap in the record, not evidence of lapse | no change | Medium confidence |
| Reissue | US RE44,998 issued Jul 8, 2014, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Jul 8, 2014 | High confidence |
| Surrendered on reissue | The steps above, in order | Jul 8, 2014 | Medium confidence |
This family
| US 6,590,468 | Term ended Jul 2021 | Jul 2021 |
| US 6,864,757 | Term ended Jul 2021 | Jul 2021 |
| US 6,759,918 | Term ended Jul 2021 | Jul 2021 |
| Application 10/938,898 | Abandoned not computed | not computed |
| US 7,865,154 | Term ended Apr 2024 | Apr 2024 |
| Application 11/336,566 | Abandoned not computed | not computed |
| US 7,869,186 | In force Dec 2028 | Dec 2028 |
| US 8,064,188 | this patent Jul 2014 | Jul 2014 |
8 of 28 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 |
|---|---|---|---|
| Mar 8, 2007 Reel 19027, frame 672 | Oakes, James; Martin, James | Paratek Microwave, Inc. | Assignment of Assignor's Interest |
| Jul 31, 2012 Reel 28686, frame 432 | Paratek Microwave, Inc. | Research in Motion RF, Inc. | Change of Name |
| Jul 30, 2013 Reel 30909, frame 908 | Research in Motion RF, Inc. | Research in Motion Corporation | Assignment of Assignor's Interest |
| Jul 30, 2013 Reel 30909, frame 933 | Research in Motion Corporation | BlackBerry Limited | Assignment of Assignor's Interest |
| Mar 5, 2020 Reel 52095, frame 443 | BlackBerry Limited | NXP USA, Inc. | Assignment of Assignor's Interest |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 320 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 2011 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.