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A patent is a legal document which is issued by a national government and gives an inventor or other patent owner the right to exclude others from making, using, selling or importing an article of manufacture, an apparatus, a composition of matter, a method or an improvement to any of those which is protected by the patent.  Obtaining a patent which is enforceable against a potential infringe requires both specialized legal knowledge and a thorough understanding of the technology to which the subject matter of the patent pertains. Patent agents and patent attorneys are licensed by the U.S. Patent & Trademark Office to render patent-ability opinions and to prepare, file and prosecute patent applications pursuant to obtaining an issued patent. It is important to hire a patent agent or patent agent who is not only familiar with the Patent Office rules and procedures which govern the granting of a patent but also writes and prosecutes patent applications which accord with the evolving body of law that will determine the scope, strength and validity of a patent if that patent is ever litigated against an accused infringe in federal court.

Keith Harrison has worked in the patent field since 1993 when he began assisting his father, longtime Shreveport patent agent John M. Harrison, in the preparation of patent applications. During the years from 1993 to 1999, when he was admitted to practice before the U.S. Patent & Trademark Office, he gained considerable experience in the preparation and prosecution of patent applications relating to mechanical, electromagnetically, pharmaceutical and chemical innovations. Since beginning private practice as a registered patent attorney in 1999, he has written and successfully prosecuted to completion hundreds of patent applications relating to semiconductor, fuel cell, composite materials, mechanical, electromagnetically, medical devices, biological, oil and gas production, chemical, software and Internet-related innovations on behalf of individuals, law firms and corporations. Keith Harrison writes and prosecutes patent applications in a manner which will maximize the scope, strength and validity of issued patents. His practice focuses exclusively on obtaining patent protection on inventions, and through this specialization and years of experience, has honed the skills which are necessary to maximize the scope of patent protection to which a patent applicant is entitled.