The court battle continues between Topps and Upper Deck over the use of card designs.

Topps has continued filing mountains of paperwork and exhibits in a New York court as part of its trademark violation suit against rival Upper Deck.

Topps filed suit earlier this year, saying Upper Deck was copying its vintage designs on its 2009 OPC line by using designs Topps created and used on its cards in the 1960s and 70s. Topps also claims Upper Deck should be barred from using cut up Topps cards in its Legendary Cuts product.

The copyright infringement angle has even caught the eye of some in the legal community.

Read more … Sports Collectors Daily.