By Alexandra Agraz
Publication Date: 2026-10-12 16:50:00
Reddit is fighting to prevent its former law firm, Proskauer Rose, from representing Perplexity AI in a federal data-scraping lawsuit, alleging that the firm dropped the social media company to take on its courtroom opponent despite an earlier promise to stay out of the case.
In competing filings submitted October 9, 2026, to U.S. District Judge Paul A. Engelmayer in Manhattan, Reddit and Proskauer disputed whether the firm’s earlier work on a separate whistleblower lawsuit creates a conflict that prevents it from defending Perplexity in the data-scraping case.
The separate whistleblower lawsuit was brought by former Reddit employee Jutta Williams, who alleged she was fired after raising concerns about the company’s data privacy and licensing practices. Proskauer represented Reddit in that case, which involved its licensing arrangements with Google and OpenAI.
That earlier work allegedly exposed Proskauer to confidential information about Reddit’s agreements with Google and OpenAI, including practices now at issue in its lawsuit accusing Perplexity of improperly collecting content through Google search results.
After Perplexity approached Proskauer about taking over its defense, the firm sought Reddit’s consent and was refused. It subsequently moved to withdraw from the whistleblower proceedings, prompting objections over ongoing discovery and the difficulty of finding replacement counsel.
The social media company eventually agreed to the withdrawal in…
