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Troll Buster is a patent re-examination consultant service. If you have received the dreaded “cease and desist” letter from someone unfairly trying to enforce a patent which is overly broad or invalid, you may hire Troll Buster consultants to provide help in bringing about a patent re-examination action. Namely, Troll Buster can assist you with: 1) a search and development of the prior art upon which a re-examination request can be made; 2) formulate argument to be submitted to an examiner in support of “substantial new questions of patentability”; and 3) prepare and submit a USPTO patent re-examination request. Troll Buster is a patent re-examination agency which offers patent re-examination related consultation and services.

Patent Trolls, sometimes euphemistically refer to themselves as “patent enforcement organizations”, are generally engaged solely in patent enforcement efforts. These organizations exploit the very heavy advantage of “presumption of validity” to extract fees, sometimes quite unfairly, from decent and legitimate business operations trying to make money the hard way – by earning it.

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  • Reexaminations Important cases
    Amazon 'Single Click' -

    Single click web shopping seems overly broad to even patent owner. Finally, request for reexamination in view of new art, the PTO has agreed to reexamine --- more...


    BlackBerry Mobile E-mail -

    Under serious threat of losing service, the US department of defense declares a national emergency and security crises - at the last possible moment, a deal was reached. --- more...


    Lipitor -

    The worlds best selling drug is protected by two patents and after a first failed, Indian Ranbaxy requested reexamination to nearly wipe out the other. After reexamination, the patent stands. --- more...


    'Blackboard' on-line education -

    The community as a whole sometimes finds patents so offensive to their existence they will collective solicit reexamination. The Software Freedom Law Center sought to torpedo the Blackboard patent --- more...


    Eolas Browser Patent -

    A $520 millioin dollar jugement against Microsoft gave motivation for reexamination of an early Internet browser patent from U.C. Berkeley. --- more...


    RNA Splicing -

    ExonHit sued Jivan and Jivan responded with a reexamination request - which was granted by the USPTO. Now, with patentability in question, the lawsuit may not be as big of a threat. --- more...


    Semiconductor Chip Packages -

    After collecting over $250 million, Siliconware asked the USPTO to reconsider in a patent reexamination request 90/008,485 which was granted and is currently pending. --- more...


    JPEG Patent -

    In a highly visible success story, Public Patent Foundation sought to invalidate a Forgent networks Inc patent directed to the popular JPEG standard of image encoding. In a complete success, the patent and all it claims were abandon. --- more...


    Katz Portfolio -

    On rare occasion, the commission of Patents and Trademarks comes forward sua sponte and orders reexamination. Ronald Katz may have crossed some limits when his portfolio drew the Commissioner's attention --- more...


    Ebay v. MercExchange -

    MercExchange sued Ebay and started a serious war with a behemoth. Of course, there are now many re-examinations, on several patents, several court cases, and even a Supreme Court decision on one aspect of the case. --- more...


    HIV/AIDS -

    40 million people, 1.2 Americans are infected with AIDS - among the least pleasant topics for these people: how to pay the drug makers patent royalty fees. This case is another brought by the Public Patent Foundation merely because it offends the notion of fail play rather than a true lack of novelty or non-obviousness. No matter, the test is on, a substantial new question of patentability has been declared, and re-examination has commenced. Stay tuned. --- more...


    Monsanto v. Everybody -

    Monsanto Claim ownership to one of the most productive strains of corn ever known. Farmers have little choice in view of the high yield - either pay the royalty - or seek re-examination. Of course, they sought re-examination. --- more...


    WARF Stem Cells -

    "impeding scientific progress and driving vital stem cell research overseas" was the reason cited by Foundation for Taxpayer and Consumer Rights in bringing a re-examination action against the WARF portfolio of stem cell patents. --- more...