Patent trolls are neither using nor marketing the inventions covered by their patents, but instead plan to make money by threatening or filing lawsuits
Purchases a patent, often from a bankrupt firm, and then sues another company by claiming that one of its products infringes on the purchased patent; Enforces patents against purported infringers without itself intending to manufacture the patented product or supply the patented service Enforces patents but has no manufacturing or research base Focuses its efforts solely on enforcing patent rights or Asserts patent infringement claims against non-copiers or against a large industry that is composed of non-copiers.
THIS IS A PATENT TROLL
The FTC found that defendant MPHJ had sent letters to more than 16,000 small to mid-size businesses threatening patent infringement lawsuits if the companies did not comply with its demand for licensing fees of $1,000 to $1,200 per employee, but never making preparations for such lawsuits.