The Patent Finder
SI

Schooner Information Technology, Inc.

First filing 2008
OverviewNotableFeesChangesPatent listSources & methods

0 patents currently held, every record listed here

7 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

This portfolio holds none of the 7 US patents in force on its record. from the record

Of the 7 now held by other companies, 7 name SanDisk Technologies Inc. as their current owner. Each row says so.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end

When these terms end

Each bar runs from grant to computed term end. 2011 to 2031.
US 7,975,109 System Including a Fine-Grained Memory and a Less-Fine-Grained Memory Oct 14, 2029
US 8,732,386 Sharing Data Fabric for Coherent-Distributed Caching of Multi-Node Shared-Distributed Flash Memory Dec 14, 2030
US 9,164,554 Non-Volatile Solid-State Storage System Supporting High Bandwidth and Random Access Apr 11, 2031
US 8,874,515 Low Level Object Version Tracking Using Non-Volatile Memory Write Generations Apr 21, 2031
US 8,954,385 Efficient Recovery of Transactional Data Stores Jul 1, 2031
US 8,700,842 Minimizing Write Operations to a Flash Memory-Based Object Store Nov 2, 2031
US 8,677,055 Flexible Way of Specifying Storage Attributes in a Flash Memory-Based Object Store Nov 4, 2031
20152019202320272031
Every computed term in this portfolio is shown above.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

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.

Formerly held, still cited

Notable
The most cited patent in this portfolio, cited by 422 later US patents, top 1% of utility patents granted in 2011 in our data. Protection runs to 2029.
Ends Oct 2029 · High confidence
Also notable
Cited by 54 later US patents, top 10% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2031.
Ends Nov 2031 · High confidence
Also notable
Cited by 82 later US patents, top 10% of utility patents granted in 2014 in our data, and renewed at 2 of 3 maintenance windows. Protection runs to 2031.
Ends Apr 2031 · Low confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

  • 2 terms have ended since Aug 17, 2026

Patents held now

Soonest term end first.
Also on record: 7 patents in force now held by others · 9 patents ended · 1 application abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited