The precedent that Marbury v. Madison set was a lawsuit right?

http://en.wikipedia.org/wiki/Marbury_v._Madison

Yes, Marbury v. Madison was a lawsuit. It was a historic case heard by the Supreme Court of the United States in 1803.

To find the answer to this question, I went to the provided Wikipedia link about Marbury v. Madison. On the Wikipedia page, there is information about the case, including its background, arguments, and significance. By reading through the page, it is clear that Marbury v. Madison was a lawsuit that established the principle of judicial review.