"launch a complaint" is a correct and usable phrase in written English.
It is used to describe the act of formally filing a complaint or grievance about something. Example: "I was dissatisfied with the service I received, so I decided to launch a complaint with the company's customer service department."
"We will launch a complaint against an unknown person on suspicion of industrial espionage".
But Frans reneges on his promise, forcing Philida to trek to Stellenbosch to launch a complaint with the slave protector a new official installed by the British.
"We feel it would be very difficult for companies to launch a complaint," said Luisa Santos, director of international relations for pan-European lobby group Business Europe.
You can, like any employee, launch a complaint using the labour law specified in your contract, subject to the courts in that country having jurisdiction to hear your claim.
It began in the English home counties, not far from Windsor Castle, when a small shopping comparison website decided to launch a complaint against Google with the European commission.
After the raid, Atkinson launched a complaint against Cheshire and Greater Manchester police for wrongful arrest and imprisonment.
The imam, who was 35 at the time, managed to clamber to safety and launched a complaint with Saudi authorities about crowd control.
Problems started in the newsroom at Tyne Tees, then based in Newcastle upon Tyne, six years ago, when a journalist launched a complaint accusing a manager of bullying.
The brother of Stephen Lawrence has launched a complaint against the Metropolitan police claiming he has been the victim of a sustained campaign of harassment after being stopped by officers 25 times.
Two university students being sued for allegedly racist Facebook posts have launched a complaint of their own, claiming the Australian Human Rights Commission discriminated against them because they were white heterosexual males.
The most decisive indication of Wilwal's watch list inclusion came a few weeks after the family had returned home to Eagan, Minnesota and after the family had launched a complaint at a local DHS office, and repeatedly called the office for follow-up.
