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  2. Term of patent in the United States - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent_in_the...

    The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension "for the term of seven years from and after the expiration of the first term" in certain circumstances, when the inventor hasn't got "a reasonable remuneration for ...

  3. Term of patent - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent

    The term of a patent is the maximum time during which it can be maintained in force. It is usually expressed in a number of years either starting from the filing date of the patent application or from the date of grant of the patent. In most patent laws, annuities or maintenance fees have to be regularly paid in order to keep the patent in force.

  4. Patent cliff - Wikipedia

    en.wikipedia.org/wiki/Patent_cliff

    The abrupt drop in sales expected after the date of patent expiration can be estimated with the following formula: [2] = where A is the peak sales value before the patent expiration and Y the years after the peak sales year (the peak sales year is considered year 0), and B is an exponent with value -1.032. The formula above could be simplified ...

  5. The 10 Biggest-Selling Drugs That Are About to Lose Their Patent

    www.aol.com/news/2011-02-27-top-selling-drugs...

    The imminent arrival of the dreaded "patent cliff" has been haunting the pharmaceutical industry for years, and it's finally here. With patents on many blockbuster drugs about to expire, an ...

  6. GlaxoSmithKline, Sanofi-Aventis: Rx for When Drug Patents Expire

    www.aol.com/news/2010-03-31-glaxosmithkline...

    Investors were reacting to news that ArQule's lead drug, ARQ 197, improved by 66% the median progression-free survival (PFS) of patients with advanced non-small-cell lung cancer. This cancer has ...

  7. As Patent Expirations Loom, the Clock Is Ticking on ... - AOL

    www.aol.com/news/patent-expirations-loom-clock...

    AbbVie (NASDAQ:ABBV) is basically a one-trick pony. The trick is an immunosuppressant called Humira, prescribed to fight rheumatoid arthritis and other conditions. It's the best-selling drug in ...

  8. Generic drug - Wikipedia

    en.wikipedia.org/wiki/Generic_drug

    A generic drug (or simply generic) is a pharmaceutical drug that contains the same chemical substance as a drug that was originally protected by chemical patents. Generic drugs are allowed for sale after the patents on the original drugs expire. Because the active chemical substance is the same, the medical profile of generics is equivalent in ...

  9. Drug Price Competition and Patent Term Restoration Act

    en.wikipedia.org/wiki/Drug_Price_Competition_and...

    t. e. The Drug Price Competition and Patent Term Restoration Act (Public Law 98-417), informally known as the Hatch-Waxman Act, is a 1984 United States federal law that established the modern system of generic drug regulation in the United States. The Act's two main goals are to facilitate entry of generic drugs into the market and to ...