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Although Yerkes has the permit from the Fish and Wildlife Service, the antivivisection society sent a letter on Friday to Dan Ashe, the director of the service, asking that he immediately suspend the export permit based on the judge’s criticisms.

Theodora Capaldo, the president of the antivivisection society, said that while she was disappointed, she was also encouraged by the judge’s criticism of what Ms. Capaldo called Fish and Wildlife’s “ridiculous pay-to-play formula.”

The antivivisection society and other groups have tried to block the export of the Yerkes chimps because they fear that the English zoo, Wingham Wildlife Park, may breed them, producing more chimps in captivity.

Theodora Capaldo, president of the antivivisection society, said that while she was disappointed, she was also encouraged by the judge’s criticism of what Capaldo called Fish and Wildlife’s “ridiculous pay-to-play formula.”

On Monday, the antivivisection society and others responded with a new complaint in Federal District Court in Washington that aims to get more information and stop the permit from being granted.