A San Diego man has filed a lawsuit against late-night comedian Conan O'Brien, accusing him of plagiarizing his jokes from Twitter.

>>Related: You can't steal one-liners on Twitter anymore

According to the Daily Mail, Robert Alexander Kaseberg claims that O'Brien or his writers ripped four of his tweets and used them as jokes during monologues on different episodes throughout the year on the TBS show "Conan."   Kaseberg claims the most recent tweet stolen was in June and the comedian used it on his show that very same day.

Kaseberg posted on June 9:

"Three streets named after Bruce Jenner might have to change their names. And one could go from a Cul-de-Sac to a Cul-de-Sackless."

Back in February, Kaseberg says two of his jokes were taken again and used on air. The first was about Tom Brady and then weeks later a joke about the Washington Monument made it onto the show.


"Washington Monument is ten inches shorter than previously thought. You know the winter has been rough when a monument suffers from shrinkage," tweeted Kaseberg on Feb. 17.  That very night, Kaseberg says O'Brien used a slightly rewritten version of the tweet on his show: 'Surveyors announced that the Washington Monument is 10 inches shorter than what's been recorded. Of course, the monument is blaming the shrinkage on the cold weather.' 

In January, Kaseberg tweeted that "A Delta flight this week took off from Cleveland to New York with just two passengers. And they fought over control of the armrest the entire flight,' only to hear a similar joke that night on the "Conan" show: "On Monday, a Delta flight from Cleveland to New York took off with just two passengers. Yet somehow, they spent the whole flight fighting over the armrest."

The Daily Mail reports:

A search of Kaseberg's Twitter account, Facebook and personal blog shows that his original joke was similar but substantially different from what was mentioned in the lawsuit.

The lawsuit includes O'Brien, his production company Conaco, TBS, Time Warner, Conan executive producer Jeff Ross and head writer Mike Sweeney. A spokesman for O'Brien denies the accusations, saying the lawsuit has "no merit."

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