Four-time Olympic gold medallist Sir Ben Ainslie told ITV News a decision will be made in "a matter of weeks" on whether there will be a British entry into the America's cup.
Ainslie was the strategist for Oracle Team USA as they recovered from 8-1 down to beat Team New Zealand 9-8 and win this year's event in San Francisco Bay.
He has spoken in the aftermath of his wish to repeat the victory with a British team.
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Prince Harry is in Toronto, the host city of the Invictus Games, ahead of Saturday night's opening ceremony.
The Prime Minister said she expected an implementation period of "around two years" as she called for a "creative" approach to talks.
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