1) In the case of PT&T vs. Grace de Guzman, the Supreme Court ruled that PT&T's policy of not hiring married women was invalid and discriminatory, and that Grace's dismissal based on this policy was illegal.
2) In Estrada vs. Escritor, the Supreme Court ruled that Escritor could not be penalized for living with her partner without marriage, as her religious beliefs as a Jehovah's Witness allowed such arrangements.
3) In Balogbog vs. CA, the Supreme Court upheld the legitimacy of private respondents as the children of Gavino, even though there was no marriage certificate, as testimonial evidence proved Gav