The Ninth Circuit has remanded an asylum claim for the agency to address if women perceived to be lesbians qualify as a particular social group, noting that neither the Board of Immigration Appeals nor the Ninth Circuit have addressed imputed sexual orientation as a particular social group in a precedential decision.
The full text of Antonio v. Garland can be found here:
https://cdn.ca9.uscourts.gov/datastore/opinions/2023/01/26/21-70624.pdf