Mr. Martin Krause, a German and European Patent Attorney, joined our partner office in Hamburg.

Mr. Martin Krause, a German Patent Attorney and European Patent Attorney, started working at Einsel Attorney at Law und Rechtsanwälte PartmbB, our partner office located in Hamburg, on 01 November 2018. Mr. Krause has extensive experience working for industrial enterprises in Germany, in particular in the automotive sector, and we are happy to see him return to private practice as a member of our Hamburg team.

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The Firm’s Aircraft Finance and Securities Practice Expands with the Addition of Partner Tsuguhito Omagari

Sonderhoff & Einsel welcomes Tsuguhito Omagari as a partner in the Law practice of the firm.  Tsuguhito has a diverse background as a finance/corporate partner who has been practicing law for over 15 years.


After graduating from University of Tokyo and the Legal Training and Research Institute, Tsugu began working at the Tokyo office of a Magic Circle UK law firm where he focused on banking and finance and corporate M&A transactions.  During his career at the UK law firm, he also had the privilege of working out of the firm’s London and Hong Kong offices as well as being provided the opportunity to obtain his LLM from the University of Pennsylvania Law School and his New York State Bar license.  He also has the experience of being seconded to a Japanese bank and a Japan office of a French cosmetics company.


In 2011, he joined the Tokyo office of a large US-based global law firm where he advised on domestic and cross-border transactions and focused on banking, asset finance (especially aircraft finance and real estate finance), and securities matters.


“I am very excited to be here and work with a number of talented professionals in various areas, which should definitely expand my practice and knowledge.   I would like to make as much contribution as possible to the firm” said Tsugu.  With our firm’s growing aircraft finance practice, we look forward to working with Tsugu to take our aircraft finance practice to the next level.


In his free time, Tsugu likes to take a jog along with the Arakawa River as well as spend time with his 4 children.

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IP Practice: “Extension of Grace Period (exception of the loss of novelty) for inventions, utility models and designs”

The “Bill for Amendment of the Unfair Competition Prevention Law” in Japan, which was approved by the Cabinet on February 27, 2018, was passed on May 23, 2018. This amended law was promulgated on May 30, 2018 and will be implemented on June 9, 2018.


Due to this amendment, the time period regarding the exception of the loss of novelty, the so-called grace period, for inventions, utility models and designs will be extended from six months to one year (Patent Law Article 30, Utility Model Law Article 11, Design Law Article 4).


This new law will be applied to applications for patents, utility models and designs filed on and after June 9, 2018, which is the day the law goes into effect.


Please note, however, for applications made public on or before December 8, 2017, the revised Article 30 of the Patent Law or Article 4 of the Design Law will not be applied even if the relevant applications are filed on or after June 9, 2018.




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IP Stars 2017

We are pleased to announce that our firm was ranked in the practice area of “Patent Prosecution” in IP Stars 2017 issued by the Managing Intellectual Property.

Please click here for more details.

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Public Holidays – September 2016

Please note that Monday 19th September 2016 and Thursday 22nd September are public holidays in Japan. Our office will be closed on these days.


A list of all Japanese public holidays for the remaining year can be found on our contact page.

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Comments by Our Managing Partner, Felix Reinhard Einsel

Nikkei Shinbun on the Brexit and possible implications for the European Unitary Patent


Great Britain’s vote to leave the European Union and its possible implications for the European Unitary Patent system have also been a topic of interest in the Japanese media, as for example in the Japanese newspaper Nikkei Shinbun (July 4, 2016 issue), which included comments of our Managing Partner Felix Reinhard Einsel.


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