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Dynamic Buffer Pool in Pciexpress Switches

US 8,797,857 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 5, 2026 on the fee record · Low confidence

Third maintenance fee unpaid; grace period ended. The USPTO has not yet posted the lapse.

Filed Nov 30, 2010 as application 12/957,237 · Granted Aug 5, 2014
Base term, 20 years from filing, plus 918 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Aug 5, 2026
2008 2029
Clock starts
Dec 16, 2008
No longer in force
Aug 5, 2026
Granted
Aug 5, 2014
Term would have run to
Apr 12, 2029
base term patent term adjustment after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
918
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,869,356.
2 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.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Apr 12, 2029: its 20-year base term plus 918 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. Confidence: Low. 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 Dec 16, 2008, when application 12/336,402, the earliest non-provisional in its chain, was filed (this one was filed Nov 30, 2010)Dec 16, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+918 days, USPTO patent term adjustment recordJun 22, 2031High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,869,356)capped to Apr 12, 2029High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsThe fee record shows no payment for this window, and USPTO's status still reads "Patented Case"lapsed Aug 5, 2026Medium confidence
Further caveats on recordThe record rates this date lower than the steps above account forLow confidence overallLow confidence
Computed term endThe steps above, in orderAug 5, 2026Low confidence

This family

US 7,869,356In force
Apr 2029
Apr 2029
US 8,797,857this patent
Aug 2026
Aug 2026
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
Dec 15, 2010
Reel 25506, frame 306
Dodson, Jeffrey Michael; Keirouz, JoePLX Technology, Inc.Assignment of Assignor's Interest
Oct 28, 2014
Reel 34069, frame 494
PLX Technology, Inc.Deutsche Bank AG New York Branch, as Collateral AgentPatent Security Agreement
May 7, 2015
Reel 35615, frame 767
PLX Technology, Inc.Avago Technologies General IP (Singapore) Pte. Ltd.Assignment of Assignor's Interest
Feb 2, 2016
Reel 37682, frame 802
Deutsche Bank AG New York Branch, as Collateral AgentPLX Technology, Inc.Termination and Release of Security Interest in Patent Rights (Releases RF 034069-0494)
Feb 11, 2016
Reel 37808, frame 1
Avago Technologies General IP (Singapore) Pte. Ltd.Bank of America, N.A., as Collateral AgentPatent Security Agreement
Feb 3, 2017
Reel 41710, frame 1
Bank of America, N.A., as Collateral AgentAvago Technologies General IP (Singapore) Pte. Ltd.Termination and Release of Security Interest in Patents
Oct 4, 2018
Reel 47230, frame 910
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedMerger
Oct 29, 2018
Reel 47351, frame 384
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Effective Date of the Merger Previously Recorded at Reel: 047230 Frame: 0910. Assignor(S) Hereby Confirms the Merger.
Mar 8, 2019
Reel 49248, frame 558
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Error in Recording the Merger in the Incorrect US Patent No. 8,876,094 Previously Recorded on Reel 047351 Frame 0384. Assignor(S) Hereby Confirms the Merger.

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.

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