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  2. Chemical patent - Wikipedia

    en.wikipedia.org/wiki/Chemical_patent

    A chemical patent, pharmaceutical patent or drug patent is a patent for an invention in the chemical or pharmaceuticals industry.Strictly speaking, in most jurisdictions, there are essentially no differences between the legal requirements to obtain a patent for an invention in the chemical or pharmaceutical fields, in comparison to obtaining a patent in the other fields, such as in the ...

  3. 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 ...

  4. Proprietary drug - Wikipedia

    en.wikipedia.org/wiki/Proprietary_drug

    Proprietary drug are chemicals used for medicinal purposes which are formulated or manufactured under a name protected from competition through trademark or patent. [1] The invented drug is usually still considered proprietary even if the patent expired. [2] When a patent expires, generic drugs may be developed and released legally.

  5. Access to medicines - Wikipedia

    en.wikipedia.org/wiki/Access_to_medicines

    Patents provide an owner exclusive rights to a product or process for 20 years in a particular territory. The owner of the patent has the right to prevent the manufacture, use, sell, import, or distribution of the patented product. [5] It is argued that patent protection allows pharmaceutical companies a monopoly on particular drugs and ...

  6. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    v. t. e. Under United States law, a patent is a right granted to the inventor of a (1) process, machine, article of manufacture, or composition of matter, (2) that is new, useful, and non-obvious. A patent is the right to exclude others, for a limited time (usually, 20 years) from profiting from a patented technology without the consent of the ...

  7. Patent medicine - Wikipedia

    en.wikipedia.org/wiki/Patent_medicine

    E. W. Kemble's "Death's Laboratory" on the cover of the 3 June 1905 edition of Collier's. A patent medicine (sometimes called a proprietary medicine) is a non-prescription medicine or medicinal preparation that is typically protected and advertised by a trademark and trade name, and claimed to be effective against minor disorders and symptoms, [1] [2] [3] as opposed to a prescription drug that ...

  8. Evergreening - Wikipedia

    en.wikipedia.org/wiki/Evergreening

    According to one study, 12 top-selling drugs attempted an average 38 years of patent protection, above the granted 20 years. [25] Another study found that nearly 80% of the top 100 drugs extended the duration of patent protection with a new patent. [26] Issues which prevent generics from reaching the market include: [27]

  9. 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 ...