Late Monday night time, Google filed for a court docket order to supply paperwork from longtime Google critic Luther Lowe, as a part of its ongoing federal antitrust case, US vs. Google.

The movement arises from an obvious breakdown in negotiations between Google and Lowe’s employer, Yelp. Yelp has agreed to doc manufacturing from numerous its workers, however has resisted on Lowe particularly, leaving Google to ask the court docket for a subpoena that might compel e mail archives and different paperwork.

“Yelp’s allegations against Google conceived and advanced by Mr. Lowe, are a central part of the government’s case,” the submitting reads. “Now that the very governmental action Yelp advocated for in its communications is underway, Yelp cannot deny Google the documents it needs to defend itself.” The 51 web page submitting, like many within the antitrust case, comprises quite a few redactions.

As vice chairman of public coverage at Yelp, Lowe has lengthy been a distinguished voice pushing for antitrust motion in opposition to Google, even launching an e mail publication known as “This Week In Google Antitrust” to trace assist for motion in opposition to the search large. In public statements, Lowe has notably centered on the search neutrality case in opposition to Google, alleging that the corporate makes use of the facility of Google Search to co-opt and overwhelm subject-matter directories like Yelp.

This isn’t the primary time Google has used the antitrust proceedings to compel doc manufacturing from rivals. In July, the corporate pushed for important new doc manufacturing from Microsoft, after the corporate shared a whole bunch of 1000’s of paperwork with prosecutors upfront of the case’s submitting.

Neither Google nor Lowe responded to a request to touch upon the submitting.