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Please use this web site to become better informed about patent reexamination. These pages are organized to provide you a review of both general information relating to patent reexamination, and to specific case history information for important cases subject to review.

"General information" is found under the tab labeled "Patent Reexamination" in three categories: "General Information"; "Grounds for Review"; and "Reexamination News".

Information relating to domain name contests, i.e. anti-cybersquatting is available under the second tab labeled "Cybersquatting". In particular, information pertaining to domain name dispute resolution under ACPA (US only) and ICANN UDRP (International) are presented.

A tab labeled "Start" is provided for you to initiate a case file in support of a reexamination effort. Once appropriate information is assembled, we can review it and provide you an estimate as to the cost and possibilities the case may have. Please tell us about your particular interests in patent reexamination.

A library of documents relating to patent reexamination we find useful is maintained for your reference. Please visit our Library where you will find many detailed documents which might address your specific concerns. If you have any contribution which you believe will be useful to others, please e-mail a link to: librarian@trollbuster.com so that we can add it to our collection.

A patent reexamination blog is maintained as part of our website. Please revisit the blog from time-to-time as it is updated often. If you are an expert in IP reexamination, please consider joining our blog as a guest writer. You may contact: bloger@trollbuster.com for further details.

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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...