Individuals and groups of concerned parents are absolutely the “key to unlocking the custody battle” and getting shared parenting legislation passed in every state. Parents across the country need assistance and publicity in order to make headway on these initiatives.
In Washington State, five members of state’s House have submitted a shared parenting bill for families [...]

Utah is leading the way on an issue that has been one of tremendous grief for far too many military parents - especially fathers - who are deployed for action overseas for extended periods of time.
From the article on HB401:
The bill, which passed nearly unanimously in the Utah Legislature, ensures that military members will not [...]

The State of Pennsylvania legislature currently has House Bill 463, last referred to the judiciary in February of 2009, which authorizes family courts to default to a rebuttal presumption of shared-parenting (essentially 50/50 custody) absent provable issues about parental fitness of logistical issues that would prevent same.
An excerpt:
§ 5303. Award of custody, partial custody [...]

Introduced in the 2009 session, the New Hampshire House is considering a bill (HB 0209) which will strengthen enforcement criteria for parents who willfully violate custody orders/agreements.  It even goes so far as to authorize the New Hampshire Department of Health and Human Services to initiate abuse & neglect investigations against parents who willfully violate [...]

As strong proponents of joint legal and joint physical custody, any bill that proposes a rebuttal presumption of shared-parenting (50/50) is one that we support.
New Yorkers - please call your state representatives and express strong support for Bill A3181, which, in summary provides:
Establishes the presumption in matrimonial proceedings for awarding shared parenting of minor children [...]