Cases before UN-Bodies
List provided by the International Commission of Jurists: http://www.icj.org/sogi-un-database/
United National Human Rights Committee (not verified): http://en.wikipedia.org/wiki/List_of_LGBT-related_cases_before_international_courts_and_quasi-judicial_bodies
United Nations: voting on or signing on to a number of resolutions, amendments to resolutions, and statements on sexual orientation and/or gender identity: http://arc-international.net/global-advocacy/un-sogi-records-world-database/
Europe
European Court of Human Rights:
- Official document by the court: https://book.coe.int/usd/en/human-rights-and-democracy/6472-case-law-of-the-european-court-of-human-rights-relating-to-discrimination-on-grounds-of-sexual-orientation-or-gender-identity.html
- Unofficial commented compilation by Paul Johnson (University of York): https://docs.google.com/file/d/0ByFm9fY-KH05bl8xekNXdGc2Zkk/edit?pli=1
- Wikipedia (not verified): http://en.wikipedia.org/wiki/List_of_LGBT-related_cases_before_international_courts_and_quasi-judicial_bodies
Court of Justice of the European Union (and domestic cases in EU Member States):
- (not verified): http://en.wikipedia.org/wiki/List_of_LGBT-related_cases_before_international_courts_and_quasi-judicial_bodies
- Domestic Cases from EU Member States (search engine of the EU Fundamental Rights Agency): http://fra.europa.eu/en/case-law-database
- Complete dataset of all cases registered with the CJEU that involve the grounds identified in Article 19 TFEU (1970-2018), Equality Law in Europe: A New Generation CJEU Database
Domestic Cases
International Commission of Jurists (worldwide)
- Database on SOGI Cases: http://www.icj.org/sogi-casebook-introduction/
OSCE (Member States)
European Equality Law Network (certain European countries)
Americas
Inter-American Court of Human Rights (not verified): http://en.wikipedia.org/wiki/List_of_LGBT-related_cases_before_international_courts_and_quasi-judicial_bodies