He then transitioned to the Canadian junior system, joining the Brandon Wheat Kings of the Western Hockey League (WHL) in 2018–19.

[4] He then made his NHL debut on 12 March 2023, posting his first career win and saving 30 of 33 shots faced as the Golden Knights defeated the St. Louis Blues 5–3.

[5] Despite only playing in two regular-season games, Patera spent the majority of the 2023 playoffs on Vegas' active roster, serving as the third or fourth-string goaltender behind Laurent Brossoit, Adin Hill, and Jonathan Quick; as a result, Patera was subsequently a part of the Golden Knights' eventual Stanley Cup victory.

[7] After beginning the season with Henderson, Patera was recalled to the Golden Knights on December 2 due to an injury to Adin Hill.

[8] Patera then made his 2023–24 season debut on December 10, stopping 35 of 39 shots in a 5–4 shootout victory over the San Jose Sharks.