Get your round-up of the week’s intellectual property news! 

As fidget spinner craze goes global, its inventor struggles to make ends meet

US inventor, Catherine Hettinger, misses out on financial success after surrendering her patent in 2005.

UK patent troll protections tweaked – lawyers exempted

Changes to UK patent bill now means law applied to ‘unjustified threats’ over trademarks and registered designs as well as patents .

Why we stepped up to the patent troll problem

Michael Meehan, Director of IP at Uber, talks to TechCrunch about the battle against patent ‘trolls’.

Jay-Z hit with baseball cap TM claims

Iconix and Roc Nation go head to head on baseball cap logos.