Also listed on Microchip Communications, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 31, 2031 · High confidence
20-year base term ends Nov 13, 2028
Held by Huawei Technologies Co., Ltd.
Filed Nov 13, 2008 as application 12/270,774 · Granted Sep 25, 2012
Base term plus 929 days of patent term adjustment (USPTO delay)
Today
2008
2031
Clock starts
Nov 13, 2008
Nov 13, 2008
Term ends
May 31, 2031
May 31, 2031
Granted
Sep 25, 2012
Sep 25, 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
929
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.
21
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 929 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 Nov 13, 2008, when this application, 12/270,774, was filed | Nov 13, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +929 days, USPTO patent term adjustment record | May 31, 2031 | 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 | May 31, 2031 | High confidence |
This family
| US 8,276,047 | this patent May 2031 | May 2031 |
| Application PCT/US2009/064416 | PCT application no patent term | no patent term |
| US 8,284,888 | Lapsed on the fee record Oct 2024 | Oct 2024 |
| US 8,416,902 | In force Nov 2030 | Nov 2030 |
| US 8,848,746 | In force Sep 2031 | Sep 2031 |
| Application PCT/US2011/021027 | PCT application no patent term | no patent term |
| Application PCT/US2011/021366 | PCT application no patent term | no patent term |
| Application PCT/US2011/021367 | PCT application no patent term | no patent term |
8 of 21 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
The 40 most recent of 54 recorded documents are shown; the 14 earliest are not. 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 |
|---|---|---|---|
| Jan 19, 2016 reel/frame not recorded | Bank Of America, N.a. | Microsemi Corp.-Memory and Storage Solutions (F/K/A White Electronic Designs Corporation), an Indiana Corporation | Release of Security Interest |
| Feb 3, 2016 Reel 37691, frame 697 | Microsemi Corporation; Microsemi Semiconductor (U.S.) Inc. (F/K/A Legerity, Inc., Zarlink Semiconductor (V.N.) Inc., Centellax, Inc., and Zarlink Semiconductor (U.S.) Inc.); Microsemi Frequency and Time Corporation (F/K/A Symmetricon, Inc.); Microsemi Communications, Inc. (F/K/A Vitesse Semiconductor Corporation); Microsemi Soc Corp. (F/K/A Actel Corporation); Microsemi Corp. - Power Products Group (F/K/A Advanced Power Technology Inc.); Microsemi Corp. - RF Integrated Solutions (F/K/A Aml Communications, Inc.) | Morgan Stanley Senior Funding, Inc. | Patent Security Agreement |
| May 22, 2017 Reel 42523, frame 577 | Microsemi Communications, Inc. | Microsemi Storage Solutions, Inc. | Assignment of Assignor's Interest |
| May 29, 2018 Reel 46251, frame 391 | Morgan Stanley Senior Funding, Inc. | Microsemi Corporation; Microsemi Semiconductor (U.S.), Inc.; Microsemi Frequency and Time Corporation; Microsemi Communications, Inc.; Microsemi Soc Corp.; Microsemi Corp. - Power Products Group; Microsemi Corp. - RF Integrated Solutions | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corporation | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Semiconductor (U.S.), Inc. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Frequency and Time Corporation | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Communications, Inc. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Soc Corp. | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corp. - Power Products Group | Release of Security Interest |
| May 29, 2018 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Microsemi Corp. - RF Integrated Solutions | Release of Security Interest |
| Jun 25, 2018 Reel 46426, frame 1 | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Sep 18, 2018 Reel 47103, frame 206 | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Wells Fargo Bank, National Association, as Notes Collateral Agent | Security Interest |
| Jan 22, 2020 Reel 51590, frame 659 | Microsemi Storage Solutions, Inc. | Microsemi Communications, LLC. | Assignment of Assignor's Interest |
| Feb 10, 2020 Reel 51867, frame 705 | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated; Atmel Corporation | Release of Security Interest in Certain Patent Rights |
| Feb 10, 2020 Reel 51867, frame 734 | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated; Atmel Corporation | Release of Security Interest in Certain Patent Rights |
| Feb 10, 2020 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated | Release of Security Interest in Certain Patent Rights |
| Feb 10, 2020 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Atmel Corporation | Release of Security Interest in Certain Patent Rights |
| Feb 10, 2020 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated | Release of Security Interest in Certain Patent Rights |
| Feb 10, 2020 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Atmel Corporation | Release of Security Interest in Certain Patent Rights |
| Feb 19, 2020 Reel 51973, frame 473 | Microsemi Communications, LLC | Microchip Communications, LLC | Change of Name |
| Feb 21, 2020 Reel 51986, frame 933 | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated; Microsemi Storage Solutions, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 051867 Frame: 0705. Assignor(S) Hereby Confirms the Assignment. |
| Feb 21, 2020 Reel 51987, frame 58 | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated; Microsemi Storage Solutions, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 051867 Frame 0734. Assignor(S) Hereby Confirms the Release of Security Interest in Certain Patent Rights. |
| Feb 21, 2020 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 051867 Frame: 0705. Assignor(S) Hereby Confirms the Assignment. |
| Feb 21, 2020 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microsemi Storage Solutions, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 051867 Frame: 0705. Assignor(S) Hereby Confirms the Assignment. |
| Feb 21, 2020 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 051867 Frame 0734. Assignor(S) Hereby Confirms the Release of Security Interest in Certain Patent Rights. |
| Feb 21, 2020 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microsemi Storage Solutions, Inc. | Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 051867 Frame 0734. Assignor(S) Hereby Confirms the Release of Security Interest in Certain Patent Rights. |
| May 29, 2020 Reel 52782, frame 80 | Microchip Communications, LLC | Huawei Technologies Co., Ltd. | Assignment of Assignor's Interest |
| Feb 25, 2022 Reel 59333, frame 222 | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microchip Technology Incorporated | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Silicon Storage Technology, Inc. | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Atmel Corporation | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microsemi Corporation | Release of Security Interest |
| Feb 25, 2022 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Microsemi Storage Solutions, Inc. | Release of Security Interest |
| Mar 9, 2022 Reel 59358, frame 1 | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated; Silicon Storage Technology, Inc.; Atmel Corporation; Microsemi Corporation; Microsemi Storage Solutions, Inc. | Release of Security Interest |
| Mar 9, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microchip Technology Incorporated | Release of Security Interest |
| Mar 9, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Silicon Storage Technology, Inc. | Release of Security Interest |
| Mar 9, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Atmel Corporation | Release of Security Interest |
| Mar 9, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microsemi Corporation | Release of Security Interest |
| Mar 9, 2022 reel/frame not recorded | Wells Fargo Bank, National Association, as Notes Collateral Agent | Microsemi Storage Solutions, Inc. | Release of 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
May 2031
Term ends May 31, 2031. No further fees fall due before then
Note
The 929 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is above the median 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.