| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | South Africa | 3 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Games | |
| #2 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Au-Yeung Chi Fat | 11 |
| #2 | Au Yeung Chi Fat | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB202001321D0 | 10+ | |
| GB201904120D0 | Rollette pair plus | |
| GB201902349D0 | Spectrum-roulette | |
| US2018350198A1 | Entertainment system involving blackjack | |
| GB0121952D0 | A card game | |
| GB0107862D0 | A poker game having common cards |