Alleges a “co-ordinated strategy” to have the RCMP delay the arrest, so that border officials could question her as a “routine immigration check.”
Chinese have refused to talk to senior Canadian government officials.
A spokeswoman for David Lametti noted the case is before the courts and declined to comment.
International Trade minister said Canada is pushing to solve the economically important matter.
Trump has said he’d intervene in the case if it would help secure a trade deal with Beijing.
Suit alleges authorities used a routine customs examination to “compel her to provide evidence and information.”
A tacit acknowledgment of the diplomatic bind the US Justice Department created for the federal Liberals.
US political interference looms large as a factor supporting her release.
Ambassador John McCallum opined twice last week on Meng-Huawei case.
Charges unsealed Monday accused Huawei of trying to take a piece of a robot and other technology from a T-Mobile lab.
The arrest of a Huawei exec has chilled China-Canada relations.
News of Michael Kovrig’s detention comes after China warned Canada of consequences for its recent arrest of Huawei CFO Meng Wanzhou at Vancouver’s airport.