The Texas Supreme Court on Friday dealt essentially a final blow to abortion clinics’ best hopes of stopping a restrictive law that has sharply curtailed the number of abortions in the state since September and will now fully stay in place for the foreseeable future.

The ruling by the all-Republican court was not unexpected, but it slammed the door on what little path forward the U.S. Supreme Court had allowed Texas clinics after having twice declined to stop a ban on abortions after roughly six weeks of pregnancy.

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It spells the coming end to a federal lawsuit that abortion clinics filed even before the restrictions took effect in September — and were then rejected at nearly every turn, and in nearly every court, for six months.

“There is nothing left, this case is effectively over with respect to our challenge to the abortion ban,” said Marc Hearron, attorney for the Center for Reproductive Rights, which led the challenge against the Texas law known as Senate Bill 8.

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Although Texas abortion clinics are not dropping the lawsuit, they now expect it will be dismissed in the coming weeks or months.

It is likely to further embolden other Republican-controlled states that are now pressing forward with similar laws, including neighboring Oklahoma, where many Texas women have crossed state lines to get an abortion for the past six months. The Republican-controlled Oklahoma Senate on Thursday approved a half-dozen anti-abortion measures, including a Texas-style ban.

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Texas’ law leaves enforcement up to private citizens, who are entitled to collect what critics call a “bounty” of $10,000 if they bring a successful lawsuit against a provider or anyone who helps a patient obtain an abortion.

The Texas law bans abortion after roughly six weeks of pregnancy and makes no exceptions in cases of rape or incest. Abortions in Texas have plummeted by about 50% since the law took effect, while the number of Texans going to clinics out of state and requesting abortion pills online has gone up.

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In December, the U.S. Supreme Court decided to keep the law in place and allowed only a narrow challenge against the restrictions to proceed. The decision by the Texas Supreme Court turned on whether medical licensing officials had an enforcement role under the law, and therefore, could be sued by clinics that are reaching for any possible way to halt the restrictions.