Simple past tense and past participle of file.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "filed" in a sentence
"The push for multiple valedictorians began years ago, prompted by concerns that high school had become too competitive -- so competitive that a few students seeking the title filed lawsuits."
"The push for multiple valedictorians began years ago, prompted by concerns that high school had become too competitive — so competitive that a few students seeking the title filed lawsuits."
"But late Tuesday, supporters of the name filed petitions demanding that the issue be put to a statewide vote."