Vertis Hits Segerdahl With Pop-Up Patent Suit
Vertis accused Segerdahl of deliberately infringing its patent on a way to continuously make pop-up books in a suit filed Thursday in the U.S. District Court for the Southern District of New York.
Vertis, which filed for bankruptcy in November, claims Segerdahl ignored a cease-and-desist letter it sent out Dec. 22.
Its patent, called “Method for manufacturing a pop-up...
To view the full article, register now.