On December 12, it became known from Nginx's employee Twitter that the company's office was searched due to the criminal case under Article 146 of the Criminal Code of the Russian Federation 'Violation of Author's and Neighboring Rights'. The claim belong to Rambler Group was, although formally the complaintant is Lynwood Investments CY Ltd, to which the rights were transferred. The last-mentioned is related to the co-owner of Rambler Group, Alexander Mamut.
The point of the claim: Igor started working on Nginx as an employee of Rambler and only after the tool became popular he founded a separate company and attracted investments.
Here is how the events unfolded.