The Patent Finder
US

Producing a Covered Through Substrate via Using a Temporary Cap Layer

US 7,704,881 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 17, 2027 · High confidence

Filed May 5, 2008 as application 12/092,605 · Granted Apr 27, 2010
Base term plus 75 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Nov 3, 2006
Term ends
Jan 17, 2027
Granted
Apr 27, 2010
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
75
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.
222
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 75 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Nov 3, 2006, when application PCT/IB2006/054082, the earliest non-provisional in its chain, was filed (this one was filed May 5, 2008)Nov 3, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+75 days, USPTO patent term adjustment recordJan 17, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 17, 2027High confidence

This family

US 7,055,072Term ended
Oct 2022
Oct 2022
US 7,647,445Term ended
Sep 2021
Sep 2021
US 7,245,005Lapsed on the fee record
Jul 2015
Jul 2015
US 6,858,946Lapsed on the fee record
Feb 2017
Feb 2017
US 7,119,421Term ended
Jun 2023
Jun 2023
US 7,454,188Term ended
Jan 2024
Jan 2024
US 7,361,976Term ended
Jan 2025
Jan 2025
US 7,578,425Lapsed on the fee record
Aug 2021
Aug 2021
8 of 222 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.
RecordedAssignorAssigneeConveyance
May 19, 2008
Reel 20966, frame 419
Klootwijk, Johan H.; Kemmeren, Antonius L. A. M.; Dekker, Ronald; Van Grunsven, Eric Cornelis Egbertus; Roozeboom, FreddyNXP B.V.Assignment of Assignor's Interest
Jan 10, 2012
Reel 27545, frame 60
NXP Semiconductors N.V. on Behalf of Itself and Its Subsidiaries, Including NXP B.V.Invensas CorporationAssignment of Assignor's Interest
Dec 2, 2016
Reel 40797, frame 1
Invensas Corporation; Tessera, Inc.; Tessera Advanced Technologies, Inc.; Ziptronix, Inc.; DigitalOptics Corporation; DigitalOptics Corporation Mems; DTS, LLC; DTS, Inc.; Phorus, Inc.; Ibiquity Digital CorporationRoyal Bank of Canada, as Collateral AgentSecurity Interest
Jun 1, 2020
Reel 53468, frame 1
Rovi Solutions Corporation; Rovi Technologies Corporation; Rovi Guides, Inc.; TiVo Solutions Inc.; Veveo, Inc.; Invensas Corporation; Invensas Bonding Technologies, Inc.; Tessera, Inc.; Tessera Advanced Technologies, Inc.; DTS, Inc.; Phorus, Inc.; Ibiquity Digital CorporationBank Of America, N.a.Security Interest
Jun 11, 2020
Reel 52920, frame 1
Royal Bank of CanadaTessera, Inc.; Invensas Bonding Technologies, Inc. (F/K/A Ziptronix, Inc.); FotoNation Corporation (F/K/A DigitalOptics Corporation and F/K/A DigitalOptics Corporation Mems); Invensas Corporation; Tessera Advanced Technologies, Inc.; DTS, Inc.; DTS LLC; Phorus, Inc.; Ibiquity Digital CorporationRelease of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaTessera, Inc.Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaInvensas Bonding Technologies, Inc. (F/K/A Ziptronix, Inc.)Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaFotoNation Corporation (F/K/A DigitalOptics Corporation and F/K/A DigitalOptics Corporation Mems)Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaInvensas CorporationRelease of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaTessera Advanced Technologies, Inc.Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaDTS, Inc.Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaDTS LLCRelease of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaPhorus, Inc.Release of Security Interest
Jun 11, 2020
reel/frame not recorded
Royal Bank of CanadaIbiquity Digital CorporationRelease of Security Interest
Nov 24, 2025
Reel 73508, frame 745
Invensas LLCAdeia Semiconductor Technologies LLCChange of Name
Nov 24, 2025
Reel 73941, frame 814
Invensas CorporationInvensas LLCChange of Name

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited