Consultation options: find the right starting point
Article type: Consultation guide
First published on this website: 2026-09-30
Choose the purpose of your enquiry to find relevant materials and contact details. You can contact Hideki Takaishi by email or through the contact form.
I have received a warning letter
Enquiries about an allegation of intellectual property infringement or a dispute before litigation. Please indicate the right concerned, the product or service, and any response deadline.
I am considering enforcing my rights
Enquiries about suspected infringement, litigation and dispute resolution. Please outline the right involved, the conduct in question and the outcome you wish to discuss.
I want to discuss prior art and patent validity
Enquiries about patent validity and invalidation proceedings associated with a dispute. Please identify the patent, the relevant claims and any materials already available.
I want to discuss an intellectual property contract
Enquiries concerning licences and other intellectual property contracts. Please state the type of contract, the matters to be discussed and the intended timing.
I would like to request training or a lecture
Requests for lectures, in-house training and writing. Please indicate the topic, intended audience, format and preferred timing.
Updates and corrections
2026-09-30 — Published this guide with five consultation options and links to related materials and contact details.
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