84 patents currently held

2 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.

10 more records may belong here and await a decision; they are not counted.

The next term ends in Aug 2029. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Aug 2029

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029 2030 2031 2032 2033 2034 2035 2036 2037 20382039204020412042204320442045

notable patents fee due within 90 days all others 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: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Virtualized Storage System and Method of Operating Thereof US 8,788,754

Cited by 36 later US patents, top 25% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2030. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.

Ends no later than May 2030 · Medium confidence Also notable

Grid Storage System and Method of Operating Thereof US 8,495,291

Cited by 36 later US patents, top 25% of utility patents granted in 2013 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2031.

Ends May 2031 · High confidence Also notable

Mass Data Storage System and Method of Operating Thereof US 8,788,755

Cited by 37 later US patents, top 25% of utility patents granted in 2014 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2032. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.

Ends no later than Mar 2032 · Medium confidence

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

3 fees due Jan 21, 2027
2 fees due Mar 29, 2027
5 fees due Apr 1 to 13, 2027 · next Apr 1
1 fee due May 17, 2027
The maintenance fee for Pre-Fetching in a Storage System (US 9,189,407) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.
4 fees due Jun 10 to 30, 2027 · next Jun 10
3 fees due Jul 5 to 26, 2027 · next Jul 5
1 fee due Sep 15, 2027
The maintenance fee for System and Method for Maintaining Consistency Among Metadata Elements of Filesystem's Logical Objects (US 9,286,320) comes due Sep 15, 2027. Unpaid by Mar 15, 2028, it lapses early.
5 fees due Oct 12 to 19, 2027 · next Oct 12

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

What they patent

The 5 largest of its 73 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Grid Storage System and Method of Operating Thereof	5 in force	to May 2031
Virtualized Storage System and Method of Operating Thereof	4 in force	to Mar 2033
Storage System Capable of Managing a Plurality of Snapshot Families and Method of Operating Thereof	2 in force	to Apr 2034
Storage Systems with Reduced Energy Consumption	2 in force	to Feb 2033
Method of Migrating Stored Data and System Thereof	2 in force	to Oct 2032

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 8,078,906	Grid Storage System and Method of Operating Thereof In force Term ends Aug 20, 2029 · High confidence	In force	Term ends Aug 20, 2029	High confidence
US 8,769,197	Grid Storage System and Method of Operating Thereof In force Term ends Aug 20, 2029 · High confidence	In force	Term ends Aug 20, 2029	High confidence
US 8,539,193	Virtualized Storage System and Method of Operating Thereof In force Term ends May 5, 2030 · Medium confidence	In force	Term ends May 5, 2030	Medium confidence
US 8,555,029	Virtualized Storage System and Method of Operating Thereof In force Term ends May 5, 2030 · Medium confidence	In force	Term ends May 5, 2030	Medium confidence
US 8,788,754	Virtualized Storage System and Method of Operating Thereof In force Ends no later than May 5, 2030 · Medium confidence	In force	Ends no later than May 5, 2030	Medium confidence
US 8,443,137	Grid Storage System and Method of Operating Thereof In force Term ends Dec 11, 2030 · High confidence	In force	Term ends Dec 11, 2030	High confidence
US 8,280,950	Automatic Client-Server Code Generator In force Term ends Jan 2, 2031 · High confidence	In force	Term ends Jan 2, 2031	High confidence
US 8,452,922	Grid Storage System and Method of Operating Thereof In force Term ends Feb 20, 2031 · High confidence	In force	Term ends Feb 20, 2031	High confidence
US 8,255,637	Mass Storage System and Method of Operating Using Consistency Checkpoints and Destaging In force Term ends Mar 1, 2031 · High confidence	In force	Term ends Mar 1, 2031	High confidence
US 8,495,291	Grid Storage System and Method of Operating Thereof In force Term ends May 11, 2031 · High confidence	In force	Term ends May 11, 2031	High confidence

10 of 84 patents shown.

Pro members see all 84.

Pro members: see all 84 patents

Also on record, not counted in the 84: 2 patents in force now held by others · 1 patent ended · 20 applications 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.

Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro

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