The makers of the world’s biggest-selling drug cheat competitors and consumers as they extend their exclusive right to sell Humira. Humira is a rheumatoid-arthritis and gut-disorders drug that enjoys sales of around $18 billion a year. Last Tuesday, one of its patents was set to expire. When a drug’s patent expires, generic manufacturers are free …
The US Patent and Trademark Office gives inventors a sort of patenting grace period in the form of a provisional patent. Companies and inventors who think they can exploit this can end up burned. Protecting an innovation with a patent is an enduring American tradition dating back to the time of Thomas Jefferson. The patent …
Not all patents are created equal. If you browsed through the eight-million-plus patents granted by the United States Patent and Trademark Office (USPTO) since 1836, you would find a surprising number of inventions that would not stand against infringement. Some patents are considered stronger than others. The difference lies not just in the usefulness of …