Take-Two Interactive extended its Agent trademark earlier this week, a PlayStation-exclusive game first announced in 2009.

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The Agent trademark was renewed last year, with Take-Two extending it May 21 with the U.S. Patent and Trademark Office. Almost six years ago , Agent was announced as a PlayStation 3-exclusive game, from the folks at Rockstar North, the team behind Grand Theft Auto IV and Grand Theft Auto V.A couple of years later, in 2011, Agent was confirmed to still be in development, as information about the 1970s espionage game was scare since the initial announcement. Images of Agent also leaked in 2011, but for the most part, not much is known about the game, though former Sony executive Jack Tretton said it would have the same sort of impact as the Grand Theft Auto series.IGN reached out to Take-Two about whether the Agent trademark extension means the the game is still in development and whether it will be showcased at E3 next month. "We have no comment on the matter," replied Alan Lewis, vice president of corporate communications for Take-Two.In a financial call earlier this month, Take-Two mentioned that it was releasing an unannounced next-generation game for this fiscal year. Whether that description would pertain to Agent at this point remains to be seen.

Evan Campbell is a freelance news writer who streams games on his Twitch channel , talks about Nintendo weekly on the NF Show , and chats about movies and TV series on Twitter