The Patent Finder

deWaal IP LLC

11 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Nov 2033
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

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.
  • 1 fee due Mar 17, 2027
    The maintenance fee for System and method for providing a secondary contest dependent on the results of a primary game (US 10,417,871) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
  • 1 fee due Jul 21, 2027
    The maintenance fee for System and method for controlling operation of a game device (US 10,540,850) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
  • 1 fee due Aug 23, 2027
    The maintenance fee for System and method for providing a secondary contest determined by the results of a primary wagering game (US 9,269,232) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, it lapses early.
  • 1 fee due Oct 30, 2027
    The maintenance fee for System and method for controlling operation of a game device (US 11,972,666) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 9,626,835System and method for providing a secondary contest dependent on the results of a primary game
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,417,871System and method for providing a secondary contest dependent on the results of a primary game
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,540,850System and method for controlling operation of a game device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,720,020System and method for providing a secondary contest dependent on the results of a primary game
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,783,749System and method for providing a secondary contest dependent on the results of a primary game
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,100,755System and method for controlling operation of a game device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,972,666System and method for controlling operation of a game device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,499,738System and method for controlling operation of a game device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,321,997System and method for providing a secondary contest dependent on the results of a primary game
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,514,755System and method for controlling operation of a game device
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 11 patents shown.
Pro members see all 11.
Pro members: see all 11 patents

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

Every application published under this name has become a patent.

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