Simple past tense and past participle of subpoena.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "subpoenaed" in a sentence
"In an August 2002 document subpoenaed from the files of the indicted fund-raiser, Warren M. RoBold, Mr. RoBold asked for a list of 10 major donors to the committee, saying that "I would then decide from response who Tom DeLay" and others should call to help the committee in seeking a "large contribution.""
"Brattles; -- and then there was the fact that Carry Brattle, who had been regularly "subpoenaed," had kept herself out of the way, -- most flagitiously, illegally and damnably."
"-0/+3Ahh ... so THAT'S how you spell "subpoenaed"."