Although Apple didn't launch the Apple Watch as iWatch it was referred to as iWatch in countless rumors before the launch. It looks like the company that owns the trademark iWatch is now suing Apple.
The company, which owns the trademark is called Probendi. On 26th of June Probendi filed a suit. The company is bringing up the point that when you search the internet for "Apple Watch" "iWatch" is being display. According to a report on Bloomberg, Probendi is stating that Apple has used the iWatch wording to drive traffic to their website. Apart from that Probendi is expecting the trademark to be worth 97 Million US-Dollar.
Probendi brought up the concerns that they addressed Apple already and the never came back with a reply. There will be a hearing on the lawsuit taking place on 11th of November. Probendi wanted to come up with their own Android smartwatch, which they would have called iWatch.
Source:
Bloomberg