Marathon Patent Group (MARA) was higher in morning trade Thursday after its wholly-owned subsidiary TLI Communications GmbH filed a patent infringement lawsuit against Tumblr, Instagram (FB), Pinterest, and Twitter (TWTR) in the Regional Court of Munich in Germany.

TLI Communications is claiming infringement of the German part of European patent 0 814 611 B1. The company filed against YouTube (GOOG) and Flickr for alleged infringement of the same patent earlier in the year.

Shares gained 4.3% to $2.18 in recent trade. The stock has a 52-week range of $1.51 – $9.73.

Price: 2.18 Price Change: +0.09 Percent Change: +4.31