Defense Distributed developed the first functioning 3-D printable pistol, called the Liberator. The U.S. State Department eventually demanded the blueprints for the weapon be pulled down from the Internet.

A lawyer for a Texas company that published online blueprints to make 3D prints of guns said Monday the company temporarily has blocked access in several states that have complained, as it prepared for a massive legal battle.

The company, Defense Distributed, says its blueprints are protected free speech and are legal, and it filed a lawsuit over the weekend against New Jersey and Los Angeles, seeking a judge’s final approval to offer the plans in those jurisdictions.

In the meantime, the company agreed to block sales to users with IP addresses from Los Angeles, New Jersey and Pennsylvania.

Josh Blackman[1], one of the company’s attorneys, called the Pennsylvania decision a “voluntary concession” and vowed to see his opponents in court.

The company’s opponents, meanwhile, filed a series of lawsuits seeking to block Defense Distributed from posting the plans online.

The blueprints went online last week after the company reached a deal with the Trump administration in June. The administration had agreed to reverse an Obama-era ruling that offering blueprints for 3D-printed weapons violated export rules.

Cody Wilson, the company’s founder, says he has a First Amendment right to post the blueprints for how to craft untraceable, homemade 3D-printed guns.

People also cannot exercise their Second Amendment right to keep and bear arms without being able to buy or make their own firearms, said Alan Gottlieb, founder of the Second Amendment Foundation, a gun-rights group that’s a part of the lawsuit.

“People publish all sorts of information online, but because this case involves technical information on production of firearm components on a 3D printer, these anti-rights officials are trying to squelch it. We cannot allow this to happen,” Mr. Gottlieb said....

The company’s website includes several membership offers, for as little as $5 a month.Furious Democratic lawmakers at the state and national levels have tried to run interference.A coalition of Democrat-run states and the District of Columbia sued Monday to try to block sales of the plans, while some Democrats on Capitol Hill announced they’re writing legislation to outlaw such sales, saying the blueprints will make it easier for bad actors to obtain guns without going through background checks.Mr. Blackman[2], meanwhile, filed his lawsuit in federal court in Texas, demanding a judge head off the threats of legal action. The lawsuit names New Jersey and Los Angeles, and Mr. Blackman[3] says he plans to add Pennsylvania.“Anyone who wants to sue us, we will add you as a party to our Texas lawsuit,” said Mr. Blackman[4]. “If you want to violate my client’s rights, we’ll see you in court.”Los Angeles City Attorney Mike Feuer’s office said they had no comment on the lawsuit, but New Jersey Attorney General Gurbir Grewal appeared to welcome it.“Yesterday, @DefDist sued me for trying to keep untraceable guns out of the hands of terrorists and criminals. So be it. I’m not backing down on

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