Also listed on Avago Technologies, Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 19, 2027 · High confidence
20-year base term ended Apr 22, 2025
Held by Alverix, Inc.
Filed Apr 22, 2005 as application 11/112,807 · Granted Mar 6, 2012
Base term plus 849 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Apr 22, 2005
Apr 22, 2005
Term ends
Aug 19, 2027
Aug 19, 2027
Granted
Mar 6, 2012
Mar 6, 2012
base term
patent term adjustment
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
849
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
17
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 849 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 22, 2005, when this application, 11/112,807, was filed | Apr 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +849 days, USPTO patent term adjustment record | Aug 19, 2027 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 19, 2027 | High confidence |
This family
| Application 10/816,636 | Abandoned not computed | not computed |
| Application 11/019,183 | Abandoned not computed | not computed |
| Application 11/044,394 | Abandoned not computed | not computed |
| US 8,128,871 | this patent Aug 2027 | Aug 2027 |
| US 7,521,259 | Term ended Jun 2026 | Jun 2026 |
| US 7,521,260 | Term ended May 2026 | May 2026 |
| US 7,532,128 | Lapsed on the fee record May 2017 | May 2017 |
| Application 12/409,877 | Abandoned not computed | not computed |
8 of 17 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 |
|---|---|---|---|
| Jun 2, 2005 Reel 16091, frame 618 | Trutna, JR., William Richard; Rosenau, Steven | Agilent Technologies, Inc. | Assignment of Assignor's Interest |
| Aug 1, 2005 Reel 16333, frame 296 | Petruno, Patrick T.; Petrilla, John F.; Bronsan, Michael J.; Zhou, Rong; Roitman, Daniel B. | Agilent Technologies, Inc. | Assignment of Assignor's Interest |
| Feb 22, 2006 Reel 17206, frame 666 | Agilent Technologies, Inc. | Avago Technologies General IP Pte. Ltd. | Assignment of Assignor's Interest |
| Feb 16, 2007 Reel 18949, frame 432 | Petruno, Patrick T.; Petrilla, John F.; Brosnan, Michael J.; Roltman, Daniel B.; Zhou, Rong | Agilent Technologies, Inc. | Corrective Assignment to Correct the 3RD Assignor's Name Previously Recorded at Reel 016333 Frame 0296. Assignor Confirms the Assignment. |
| Apr 3, 2007 Reel 19107, frame 379 | Petruno, Patrick T.; Petrilla, John F.; Brosnan, Michael J.; Roitman, Daniel B.; Zhou, Rong | Avago Technologies General IP (Singapore) Pte. Ltd. | Corrective Assignment to Correct the Assignee Name and Address on a Document Previously Recorded on Reel 017206 Frame 0666. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest. |
| May 15, 2008 Reel 20948, frame 582 | Avago Technologies General IP (Singapore) Pte. Ltd. | Alverix, Inc. | Assignment of Assignor's Interest |
| May 6, 2016 Reel 38632, frame 662 | Agilent Technologies, Inc. | Avago Technologies General IP (Singapore) Pte. Ltd. | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 017206 Frame: 0666. Assignor(S) Hereby Confirms the Assignment. |
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
Aug 2027
Term ends Aug 19, 2027. No further fees fall due before then
Note
The 849 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
95
later US patents cite this one
That is top 10% of utility patents granted in 2012 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.