Last year, HP sent cease-and-desist letters to a number of companies that sell remanufactured inkjet cartridges in Germany (see “HP Sends Cease-and-Desist Letters to German Remanufacturers” and “Details Emerge on the Cease-and-Desist Letters HP Sent to Remanufactured Cartridge Sellers in Germany”). The letters asserted that certain remanufactured inkjet cartridges sold by these firms infringed HP’s
