"This is a matter that can really only be properly litigated before a US trial judge," Frater said, adding that the defense arguments' "flaws run so wide and so deep I scarcely know where to begin."
Canada denies it breached Meng's rights. Government lawyers have called on the judge to throw out the allegations, which they said were "supported only by speculation and innuendo," and proceed to extradition.
Lawyers for Meng believe the affidavits could show the banking giant was aware of the links between Huawei and Skycom, which sold telecom equipment to Iran.
Meng's arrest caused tensions between Beijing and Ottawa, and soon afterward, China detained two Canadians, who continue to have limited access to legal counsel or diplomatic officials.
U.S. prosecutors are discussing a deal with lawyers for Huawei's Meng to resolve criminal charges against her, a person familiar with the matter said on Thursday.