States are pushing their own net neutrality laws and rules in defiance of the Federal Communications Commission’s (FCC) repeal, heightening the possibility that supporters will be waging another legal battle over the popular Obama-era regulations.

Washington and Oregon have already passed their own laws to fill the void left by the FCC’s repeal, and California appears to be close behind after the state Senate passed a net neutrality bill on Wednesday.

A total of 29 states have proposed their own open internet legislation, according to Gigi Sohn, a fellow at Georgetown Law who’s been tracking the initiatives.

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