Earlier this year, the Match Group, which owns the dating service Tinder, filed a lawsuit against rival Bumble, alleging that the company had infringed on patents and misused intellectual property. Just weeks later, Bumble countersued the Match Group for accessing trade secrets fraudulently. Now, Bumble has filed court paperwork for the lawsuit while "actively pursuing an IPO," CEO Whitney Wolfe told TechCrunch . We've reached out to Bumble for a comment. There's been a lot of back and forth over the last few months, but Match's original lawsuit claimed that Bumble had copied Tinder's swipe interface and "mutual opt-in premise." Bumble responded in two ways: First, in an open letter , the company called the lawsuit a scare tactic to intimidate Bumble because the Match Group had been interested in purchasing the service. Second, t...