There is a prominent lawyer barbara findlay (lower case used in source) in downtown Vancouver who specializes in law around LGBTQ+ identities.
barbara has created legal guides as resources here.
The Canadian Bar Association, BC Branch (CBABC), located in downtown Vancouver has a Sexual Orientation and Gender Identity Community Section (SOGIC). As noted in a legislative memo in Jan 2020, SOGIC has requested LGBTQ2SI+ competency training in the Professional Legal Training Course.
“SOGIC has several initiatives underway aimed at improving the profession for LGBTQ2SI+ lawyers and access to justice for BC’s diverse LGBTQ2SI+ communities.”