The BBC reports:
Takei, 71, said he and Brad Altman were going through the "delicious dilemma" of where to marry.
The actor and 54-year-old Mr Altman have been together for 21 years.
"We can have the dignity, as well as all the responsibilities, of marriage. We embrace it all heartily," Takei wrote on his website. ...
On Thursday, California's Supreme Court said the "right to form a family relationship" applied to all Californians regardless of sexuality.
But opponents of the decision said they would seek an amendment to the state constitution, which would override the ruling.
Following the Supreme Court's decision to legalise same-sex marriage, comedian Ellen DeGeneres announced plans to marry her girlfriend, actress Portia de Rossi.