Collateral for a security interest recorded Oct 15, 2020 (Intellectual Ventures Assets 123 LLC).
Term ended May 20, 2026 · Medium confidence
20-year base term ended Mar 21, 2020
Why Medium: A parent in the chain could not be resolved.
Held by Mec Management, LLC
Filed Dec 13, 2002 as application 10/248,068 · Granted Sep 22, 2015
Base term plus 2251 days of patent term adjustment (USPTO delay)
Today
Term ended May 20, 2026
2000
2026
Clock starts
Mar 21, 2000
Mar 21, 2000
Term ended
May 20, 2026
May 20, 2026
Granted
Sep 22, 2015
Sep 22, 2015
base term
patent term adjustment
after the term ends
fee events
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
2,251
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
30
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 2251 days past its 20-year base term on prosecution delay. 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 Mar 21, 2000, when the earliest non-provisional application in its chain was filed (this one was filed Dec 13, 2002); a parent in its chain could not be resolved (the next row) | Mar 21, 2020 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +2251 days, USPTO patent term adjustment record | May 20, 2026 | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | May 20, 2026 | Medium confidence |
This family
| US 7,120,236 | Term ended Aug 2021 | Aug 2021 |
| US 7,194,552 | Term ended no later than Oct 2022 | no later than Oct 2022 |
| Application 09/682,351 | Abandoned not computed | not computed |
| US 6,678,717 | Term ended no later than Mar 2020 | no later than Mar 2020 |
| Application 09/683,481 | Abandoned not computed | not computed |
| Application 10/064,864 | Abandoned not computed | not computed |
| US 9,141,717 | this patent May 2026 | May 2026 |
| US 7,188,138 | Term ended Feb 2021 | Feb 2021 |
8 of 30 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 |
|---|---|---|---|
| Feb 5, 2008 Reel 20462, frame 400 | Schneider, Eric | Esdr Network Solutions LLC | Assignment of Assignor's Interest |
| Nov 13, 2015 Reel 37040, frame 42 | Esdr Network Solutions LLC | S. Aqua Semiconductor, LLC | Merger |
| Jan 9, 2019 Reel 47946, frame 679 | S. Aqua Semiconductor, LLC | Intellectual Ventures Assets 123 LLC | Nunc Pro Tunc Assignment |
| Jul 1, 2019 Reel 49643, frame 146 | Intellectual Ventures Assets 123 LLC | Mec Management, LLC | Assignment of Assignor's Interest |
| Oct 15, 2020 Reel 54089, frame 950 | Mec Management LLC | Intellectual Ventures Assets 123 LLC; Intellectual Ventures Assets 118 LLC | Security Interest |
| Oct 15, 2020 reel/frame not recorded | Mec Management LLC | Intellectual Ventures Assets 123 LLC | Security Interest |
| Oct 15, 2020 reel/frame not recorded | Mec Management LLC | Intellectual Ventures Assets 118 LLC | Security 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.
What's changing
Note
The 2251 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
333
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.