The Patent Finder
RN

Rain Neuromorphics Inc.

First filing 2019
OverviewNotableFeesChangesFamiliesPatent listSources & methods

7 patents currently held

14 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.

The next term ends in Apr 2039. from the record

Of the 14 now held by other companies, 14 name Openai Opco LLC 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
Apr 2039
Next term end
6
Patent families

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
notable patents 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.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.

Formerly held, still cited

Notable
The most cited patent in this portfolio, cited by 27 later US patents, top 10% of utility patents granted in 2019 in our data. Protection runs to 2039.
now held by Openai Opco, LLC
Ends Apr 2039 · High confidence
Also notable
Cited by 6 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2040.
now held by Openai Opco, LLC
Ends Nov 2040 · High confidence
Also notable
The newest of the three, granted 2023. It anchors the portfolio to 2042, later than anything else here.
now held by Openai Opco, LLC
Ends Oct 2042 · High confidence

Fee deadlines

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

Recent changes

  • 2 of the patents on this record were granted since Aug 17, 2026

What they patent

The 5 largest of its 6 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Patents held now

Soonest term end first.

Showing 1 to 7 of 7

PatentTitleStatusExpiresConfidence
US 10,990,651Systems and Methods for Efficient Matrix Multiplication
In force
 · High confidence
In forceHigh confidence
US 12,069,869Memristive Device
In force
 · High confidence
In forceHigh confidence
US 12,223,009Systems and Methods for Efficient Matrix Multiplication
In force
 · High confidence
In forceHigh confidence
US 12,112,267Learning in Time Varying, Dissipative Electrical Networks
In force
 · Low confidence
In forceLow confidence
US 12,026,623Machine Learning Using Gradient Estimate Determined Using Improved Perturbations
In force
 · High confidence
In forceHigh confidence
US 12,210,957Local Training of Neural Networks
In force
 · High confidence
In forceHigh confidence
US 12,608,439System and Method of Transposed Matrix-Vector Multiplication
In force
 · Medium confidence
In forceMedium confidence
Also on record, not counted in the 7: 14 patents in force now held by others · 16 applications pending · 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.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed
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