2 patents currently held
58 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.
33 more records may belong here and await a decision; they are not counted.
The next term ends in May 2029. from the record
Of the 58 now held by other companies, 48 name IGT as their current owner, and 10 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
May 2029
Next term end
2
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 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.
Notable
Ends Jun 2029 · High confidence
Also notable
Ends May 2029 · High confidence
Systems and Methods for Portable Wagering Mediums
US 8,382,582
The most cited patent in this portfolio, cited by 65 later US patents, top 10% of utility patents granted in 2013 in our data. Protection runs to 2029.
Selection of Multiple Roulette Wheels
US 8,308,547
Cited by 48 later US patents, top 25% of utility patents granted in 2012 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029.
Formerly held, still cited
Notable
Ends Dec 2026 · High confidence
Cited by 393 later US patents, top 1% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2026.
now held by IGT
Also notable
Ends no later than Dec 2027 · Medium confidence
Cited by 141 later US patents, top 5% of utility patents granted in 2012 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2027. 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.
now held by IGT
Also notable
Ends no later than Apr 2028 · Medium confidence
Cited by 217 later US patents, top 5% of utility patents granted in 2010 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028. 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.
now held by IGT
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 5 terms have ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Systems and Methods for Portable Wagering Mediums | 1 in force | to Jun 2029 |
| Selection of Multiple Roulette Wheels | 1 in force | to May 2029 |
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,308,547 | Selection of Multiple Roulette Wheels held by IGT In force · High confidence | In force | High confidence | |
| US 8,382,582 | Systems and Methods for Portable Wagering Mediums held by IGT In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 58 patents in force now held by others · 330 patents ended · 1 application pending · 188 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
109 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed