Warner Says Harry Potter Dinner Infringes Copyright

“Since I started The Underground Restaurant in London nine months ago, pop-up or home restaurants have increased in popularity up and down the country,” wrote Ms Marmite Lover in a Guardian article in October.

“My initial idea was simple: provide well-cooked food in intimate surroundings at a reasonable price, with an element of punk rebellion and a do it yourself attitude which sprung from my background in a political samba band and cooking at anti-G8 camps.

I wanted to...