A federal decide in Vermont dominated that Harvard scientist Kseniia Petrova’s visa was unlawfully canceled after she was detained at an airport over organic samples she was carrying, handing her a key authorized victory in a case that has raised questions in regards to the limits of presidency energy on the border.
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In a choice issued Tuesday, the courtroom stated “the undisputed information reveal that Ms. Petrova’s visa was impermissibly canceled.”
Petrova, a Russian-born researcher at Harvard College’s Kirschner Lab, has argued for greater than a yr that the cancellation was illegal. She was stopped at Boston Logan Worldwide Airport final February after getting back from Paris. Her visa was canceled; she was later positioned into immigration proceedings and detention. This disrupted her groundbreaking work on superior imaging know-how that has the potential to rework most cancers diagnostics, in accordance with fellow researchers.
The Division of Homeland Safety stated in an announcement that Petrova was “lawfully detained after mendacity to federal officers about carrying substances into the nation.”
Petrova described the incident in another way.
“They requested if I’ve any organic samples in my baggage. I stated sure,” she beforehand advised NBC Information. She described confusion over the customs procedures and a prolonged interrogation by CBP officers.
“No one knew what was taking place to me. I didn’t have any contact, to not my lawyer, to not Leon, to not anyone,” she stated, referring to Dr. Leon Peshkin, a principal analysis scientist at Harvard’s Division of Programs Biology and her supervisor and mentor. “And the subsequent day, they didn’t say what would occur. I used to be ready in a cell.”
The ruling, her lawyer stated, helps deal with these circumstances.
“Right now’s determination marks an essential step towards correcting what ought to by no means have occurred within the first place,” Gregory Romanovsky stated in an announcement Tuesday. “For over a yr, Kseniia Petrova has maintained that CBP had no authorized authority to cancel her visa on February 16, 2025. Right now, the U.S. District Courtroom in Vermont agreed.”
The assertion additionally famous that Petrova received a separate authorized problem in Massachusetts in December that allowed her to return to work. She has been again in her lab since January after a yr navigating authorized proceedings, together with time in immigration detention in Louisiana, away from her analysis, associates and the house she inbuilt Boston.
“Right now’s ruling makes clear that, as broad as CBP’s authority is on the border, its actions can’t be arbitrary or capricious,” Romanovsky stated.
Whereas this ruling permits Petrova to stay within the U.S. for now, her authorized battles are usually not over. She remains to be dealing with a separate legal case stemming from the airport incident, with a trial scheduled for later this yr.

