Latest Updates on Practical Developments of the Unified Patent Court (UPC) 

Other publications by Kento Sumi

2026.06.26
The TRIPP TRAPP Chair Decision: The Supreme Court’s New Standard for Copyright Protection of Mass-Produced Utilitarian Goods
2025.07.29
Pantech v Google: Tokyo District Court grants first injunction for SEP infringement（Co-authored）
2018.08.28
The Act on Special Measures for Productivity Improvement (Part 2) - Outline of the System to Facilitate Data Sharing and Collaboration
2018.08.10
The Act on Special Measures for Productivity Improvement (Part 1) - What does the “Regulatory Sandbox” mean?

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Other publications about Europe

2026.08.10
Beware of Bribery Risks Abroad
2026.07.01
Latest Updates on Practical Developments of the Unified Patent Court (UPC) 
2025.02.15
The Court of Appeal of The Hague Ruling on GHG Emissions Reduction and its Impact on Japanese Companies
2024.12.20
[Case Comment] Good Faith in English Contract Law and Express Contractual Duty of Good Faith :Trends in English Courts (Chuo Law Journal, Vol. XXI, No.3)
2024.10.28
What are the Laws and Regulations Governing Cross-border E-commerce? With a Focus on the Risks of Consumer Protection Laws in the U.S. and the EU
2024.10.01
Response to Human Rights and Environmental Due Diligence required with the Implementation of CSDDD　
2024.09.30
[Case Comment] General Principles for Contractual Interpretation under English Law and the Approach Taken by the English Courts (Chuo Law Journal, Vol. XXI, No. 2)
2024.07.01
Doing business in the Netherlands (Japanese version)
2024.06.30
[Case Comment] The Doctrine of Frustration in English Law and Recent English Court Decisions (Chuo Law Journal, Vol. XXI, No. 1)
2024.04.10
Foreign Filling Restrictions of Major Countries －Mechanisms to Restrict Foreign Filing of Sensitive Inventions－
2023.12.25
[Serial Article/Legal Affairs for Companies Expanding Overseas] [No.9] Climate Change and Corporate Litigation Risk
2023.11.20
Inventions Made Across Boarders and the Attachment Foreign Filling Restrictions: Conflicts in the Restrictions and How They Are Handled
2022.03.31
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (7) (Chuo Law Journal, Vol. XVIII, No.4)
2021.12.20
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (6) (Chuo Law Journal, Vol. XVIII, No.3)
2021.09.30
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (5) (Chuo Law Journal, Vol. XVIII, No.2)
2021.06.30
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (4) (Chuo Law Journal, Vol. XVIII, No.1)
2021.04.01
Patent Enforcement Practices Before, During and After Patent Litigation Proceedings in Japan – A Comparative Analysis with Germany and the United States –
2021.04.01
It is not Too Late to Learn: Cookie Compliance
2021.03.31
Protection of Geographical Indications under the TPP and Japan-EU Economic Partnership Agreement (EPA)
2021.03.22
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (3) (Chuo Law Journal, Vol. XVII, No.4)
2021.03.01
Corporate Governance and Internal Investigations in Europe (3) – Protection of Whistleblowers
2021.03.01
Corporate Governance and Internal Investigations in Europe (2) – Protection of Personal Data
2021.03.01
Corporate Governance and Internal Investigations in Europe (1) - Overview
2021.02.20
An Outline of the EU Foreign Direct Investment Regulations and the Impact Thereof on Japanese Companies
2021.01.01
The Ways of Limiting Injunctive Relief in Patent Infringement Litigation and their Effects – Current Japanese Practices and Suggestions for their Future Improvements, based on the Recent Trends in Germany and the United States –
2020.12.20
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (2) (Chuo Law Journal, Vol. XVII, No.3)
2020.12.10
Report of a German Case - Admissibility of a Dissenting Opinion in an Arbitral Award in Germany? -
2020.09.30
[Case Comment] English Contract Law: Recent Notable Supreme Court Cases (1) (Chuo Law Journal, Vol. XVII, No.2)
2019.12.10
【Series】 Key Principles and Practice in English Contract Law (END) - Article (23) Remedies for Breach of Contract [JCA Journal, December 2019 Issue]
2019.11.10
【Series】 Key Principles and Practice in English Contract Law - Article (22) Discharge of Contract [JCA Journal, November 2019 Issue]
2019.10.10
【Series】 Key Principles and Practice in English Contract Law - Article (21) Discharge of Contract [JCA Journal, October 2019 Issue]
2019.08.10
【Series】 Key Principles and Practice in English Contract Law - Article (20) Vitiating Factors/Factors Tending to Defeat Contractual Liability [JCA Journal, August 2019 Issue]
2019.07.10
【Series】 Key Principles and Practice in English Contract Law - Article (19) Vitiating Factors/Factors Tending to Defeat Contractual Liability [JCA Journal, July 2019 Issue]
2019.06.10
【Series】 Key Principles and Practice in English Contract Law - Article (18) Vitiating Factors/Factors Tending to Defeat Contractual Liability [JCA Journal, June 2019 Issue]
2019.05.10
【Series】 Key Principles and Practice in English Contract Law - Article (17) Vitiating Factors/Factors Tending to Defeat Contractual Liability [JCA Journal, May 2019 Issue]
2019.04.10
【Series】 Key Principles and Practice in English Contract Law - Article (16) Vitiating Factors/Factors Tending to Defeat Contractual Liability [JCA Journal, April 2019 Issue]
2019.03.10
【Series】 Key Principles and Practice in English Contract Law - Article (15) Problems after Concluding a Contract [JCA Journal, March 2019 Issue]
2019.02.10
【Series】 Key Principles and Practice in English Contract Law - Article (14) Problems after Concluding a Contract [JCA Journal, February 2019 Issue]
2019.01.10
【Series】 Key Principles and Practice in English Contract Law - Article (13) Problems after Concluding a Contract [JCA Journal, January 2019 Issue]
2018.12.14
【Series】Key Principles and Practice in English Contract Law - Article (12) Problems after Concluding a Contract [JCA Journal, December 2018 Issue]
2018.11.20
【Series】Key Principles and Practice in English Contract Law - Article (11) Privity of Contract and Third Parties [JCA Journal, November 2018 Issue]
2018.10.17
【Series】Key Principles and Practice in English Contract Law - Article (10) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, October 2018 Issue]
2018.09.14
【Series】Key Principles and Practice in English Contract Law - Article (9) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, September 2018 Issue]
2018.08.31
【Series】Key Principles and Practice in English Contract Law - Article (8) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, August 2018 Issue]
2018.07.19
【Series】Key Principles and Practice in English Contract Law - Article (7) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, July 2018 Issue]
2018.06.13
【Series】Key Principles and Practice in English Contract Law - Article (6) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, June 2018 Issue]
2018.05.17
【Series】Key Principles and Practice in English Contract Law - Article (5) For the formation of a valid, binding and enforceable contract (II) [JCA Journal, May 2018 Issue]
2018.04.18
【Series】Key Principles and Practice in English Contract Law - Article (4) For the formation of a valid, binding and enforceable contract (I) [JCA Journal, April 2018 Issue]
2018.03.16
【Series】Key Principles and Practice in English Contract Law - Article (3) For the formation of a valid, binding and enforceable contract (I) [JCA Journal, March 2018 Issue]
2018.02.14
【Series】Key Principles and Practice in English Contract Law - Article (2) For the formation of a valid, binding and enforceable contract (I) [JCA Journal, February 2018 Issue]
2018.01.16
【Series】Key Principles and Practice in English Contract Law - Article (1) Introduction [JCA Journal, January 2018 Issue]
2015.04.01
The Existence of a “Dispute” and the Prima Facie Test for a Tribunal to Have Jurisdiction
2008.12.01
"Emergency Measures to Rescue Financial Institutions in the UK,"
2008.11.01
"Development of Financial Institution Rescue Measures in the UK"

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Other publications about Intellectual Property Transactions

2026.07.01
Latest Updates on Practical Developments of the Unified Patent Court (UPC) 
2026.05.10
A Multifaceted Examination of Legal Practice Related to Agriculture, Forestry, and Fisheries; Technology and Intellectual Property Related to Trees and Insects
2026.04.24
Lexology Panoramic - Designs 2026 - Japan Chapter
2026.01.30
(Q67) Principle of Territoriality
2025.12.10
Examples of Intellectual Property and Business Strategies for Agricultural and Environmental Biotech Startups
2025.09.26
Patent Utilization Strategies: Patent Funds and Key Contractual Considerations
2025.07.01
Strategies for Patent Utilization – Overview of Patent Funds and Points in Concluding Contracts -
2025.01.10
Decision of the Court of First Instance of the Unified Patent Court Central Division (Section Munich)on July 16 2024 — A Central Attack on a Patent for an Antibody Drug Characterized by Means
2024.09.27
Some Legal Issues Concerning the Use of Copyrighted Works in the Development and Learning Phases of Generative AI
2024.05.01
Legal Issues Related to Generative AI
2024.04.20
Judgment in Which the Court Determined Whether or Not the Relevant Act Constitutes an Indirect Infringement by a Non-Exclusive Article (Item 2, Article 101 of the Patent Act) Pertaining to Invention of a Product- Requirements for Indirect Infringement by Non-Exclusive Article -
2024.04.10
Foreign Filling Restrictions of Major Countries －Mechanisms to Restrict Foreign Filing of Sensitive Inventions－
2023.11.20
Inventions Made Across Boarders and the Attachment Foreign Filling Restrictions: Conflicts in the Restrictions and How They Are Handled
2023.08.24
Thematic-based: Legal Practice in the Healthcare Business
2023.05.20
Japan M&A - Key Intellectual Property Issues in M&A Transactions -
2023.04.03
Avatarization of Celebrities and Contractual Practices in the Metaverse
2023.02.28
National Comparison Tables - Japan part
2022.12.16
JAPAN: An Introduction to Intellectual Property: Bengoshi
2022.10.03
Protection of Image Designs and Spatial Designs - Status and Practical Response after the 2019 Amendment to the Design Law
2022.07.15
Points to Note Before Entering into a Joint Research Contract with a Foreign AI Venture
2022.07.15
The Intellectual Property and Antitrust Review 7th edition Japan Part
2022.05.30
Chapter 2: Data Transaction Contracts, II. Data Creation Contracts
2022.05.18
Japan M&A - Key Intellectual Property Issues in M&A Transactions -
2022.03.11
A study of the secret patent systems of various countries, and the introduction of the same system in Japan (No.2)(end)
2022.03.01
Summary of Countermeasures for Counterfeit Products in the US
2022.02.17
NFT Mechanism and Legal Issues of NFT Transactions
2022.02.14
A study of the secret patent systems of various countries, and the introduction of the same system in Japan (No.1)
2022.02.04
A Case in Which the Applicability of Article 3, Paragraph 1, Item 3 of the Trademark Act was Disputed with Respect to the Trademark “VEGAS” (Intellectual Property Newsletter (2022 February Issue))
2022.01.12
Subject Matter of License and “Implied License” under Patent License Agreements Written in English
2021.12.23
Latest Developments in the Japanese Patent Practice
2021.12.01
A Detailed Explanation of Economic Partnership Agreements
2021.10.01
Obligation to Conclude Multilateral Treaties in the Field of Intellectual Property through FTA/EPA - Efforts to Strengthen Protection of Rights and to Achieve International Harmonization of Systems -
2021.08.05
A Case in Which a Court Admission Rendered in the First Trial was Overturned upon Considering Issues of Conventional Technology and Revising Judgment Based on the Fulfillment Theory (Intellectual Property Newsletter (2021 August Issue))
2021.07.15
The Intellectual Property and Antitrust Review 6th edition Japan Part
2021.05.07
A Case in Which the Japan Patent Office and the Court Reached Different Decisions Regarding Similarity in the Inventive Step of Two Inventions (Intellectual Property Newsletter (2021 May Issue))
2021.05.01
Japan M&A - Key Intellectual Property Issues in M&A Transactions -
2021.03.31
Protection of Geographical Indications under the TPP and Japan-EU Economic Partnership Agreement (EPA)
2021.03.05
A Case Involving a Dispute Over Similarity of Trademarks and Other Matters Related to Services Supporting Job Seeking Activities by Currently Unemployed Recent Graduates with Work Experience (Intellectual Property Newsletter (2021 March Issue))
2021.01.26
Intellectual Property Newsletter (Digest version) (2021 Winter Issue) Key Points in Reading Case Reports
2020.12.21
2021 Book Guide for Legal Affairs "Updates to Common Business Sense in Response to Changes in the Social Environment" -Business Law Journal, February 2021 Issue
2020.09.10
Analysis of Domestic Court Cases concerning Inventions Related to Computer Software (CS)
2020.08.13
Consideration on the Bill of the Act Partially Amending the Plant Variety Protection and Seed Act — For the Protection of New Varieties of Plants
2020.07.31
How to Proceed with Joint Research and Development and Legal Points to Note therein（Chapter 4: Section 1 "Points on Patent License Agreement and Way of thinking on Provisions"）
2020.07.01
The Intellectual Property and Antitrust Review 5th edition Japan Part
2019.12.10
Appropriate Protection of AI and IoT-Related Inventions
2019.09.14
Q21: Protection through Patents in Agriculture, Forestry, Fisheries, and Food Industries
2019.07.10
A Case in Which Production, Transfer, etc. of Software was Found to Constitute Indirect Infringement of an Invention of a Device (Article 101, Item (ii) of the Patent Act)
2019.05.30
Q13: Inventiveness (4) — Methods of Business; Q42: Application (2) — Supporting Requirements, etc.; and Q76: Terms of Claims
2019.05.10
Analysis of Recent Trends in Case Court Cases Regarding Inventive Step
2019.01.01
Business and IP commitments in Economic Partnership Agreements (EPAs)
2018.09.06
Points on Provisions of Patent License Agreement - Based on Revision of Civil Code -
2018.08.28
The Act on Special Measures for Productivity Improvement (Part 2) - Outline of the System to Facilitate Data Sharing and Collaboration
2018.08.10
The Act on Special Measures for Productivity Improvement (Part 1) - What does the “Regulatory Sandbox” mean?
2018.07.06
7. Multiple Rightholders
2018.05.28
Transfer
2018.03.21
The Compass for Intellectual Property Law - The Supreme Court Ruled on a Re-defense based on a Correction of Claims against a Patent Invalidity Defense in a Patent Infringement Case
2018.03.01
IP Laws of the Philippines
2018.02.19
Q&A on the Actual Practice of Employee Inventions (Keiso’s Law and Practice Series)(co-author)
2017.09.29
Q81: License (2)
2017.09.29
“Significant Effects” in Pharmaceutical Inventions as Seen in Recent Court Cases of Litigation Rescinding JPO's Trial/Appeal Decision Concerning Patent
2017.05.01
JAPAN Section/Protection and Disclosure of Trade Secrets and Know-How
2015.03.20
Chapter 2: Inoventive Steps in the Chemical and Pharmaceutical Fields
2015.03.01
Handbook on Joint Research and Development Agreement
2015.02.01
Reading of U.S. Supreme Court Cases: Commentary on Intellectual Property and Business Cases in the 21st Century
2014.11.20
Antibody Drugs: "Correction of Error" in a Claim That Includes Identification Based on Amino Acid Sequence
2014.11.10
U.S. Supreme Court Decision in the Myriad Case and Its Implications
2013.08.10
U.S. Supreme Court Decision in the Myriad Case (June 13, 2013) — Eligibility of Gene Patents as Subject Matter of Patent Protection
2012.04.11
Ⅲ-2. Claims by Multiple Rightsholders
2011.10.05
Scope of "Action Involving Patent Right" -- Freezing System Case
2010.11.19
Ⅲ. Exhaustion of Patent Right — Ink Cartridge Case
2010.09.01
Intellectual Property Commitments in Japan's Economic Partnership Agreements (EPAs)
2010.01.01
Negotiations regarding Intellectual Property in Economic Partnership Agreements (EPAs), [1] - [9]
2007.06.25
Chapter 3, Section 1, Ⅲ. Research/Technology Service Contracts
2007.05.01
Commentary on FTA/EPA Negotiations
2004.12.01
University-Spin-off Startups and Patent Management: Future Outlook

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Other publications about International Dispute Resolution

2026.07.01
Latest Updates on Practical Developments of the Unified Patent Court (UPC) 
2026.03.10
Sports Arbitration Cases at the JSAA and CAS – From Basics to Recent Issues
2025.10.09
Unlocking the Potential of Third-Party Funding in Arbitration in Japan (Japan Commercial Arbitration Journal VOL. 6 [2025])
2024.05.10
The Role of Damage Experts in International Arbitration (JCA Journal - May 2024)
2021.12.01
A Detailed Explanation of Economic Partnership Agreements
2020.12.10
Report of a German Case - Admissibility of a Dissenting Opinion in an Arbitral Award in Germany? -
2018.06.15
[Series] Practice of ICC Arbitration [2] (Journal of the Japanese Institute of International Business Law (Vol. 46, No. 6, 2018))
2018.05.15
[Series] Practice of ICC Arbitration (Journal of the Japanese Institute of International Business Law (Vol. 46, No. 5, 2018))
2018.03.01
The Dispute Resolution Review, 10th Edition: Chapter 18, Japan
2018.01.16
An Introduction to International Arbitration (1) – A comparative perspective – [JCA Journal, January 2018 Issue]
2018.01.11
Report on the Arbitration Academy 2017 [JCA Journal, November 2017 Issue]
2017.06.01
WTO Case Review 2016 "European Communities – Definitive Anti-Dumping Measures on Certain Iron or Steel Fasteners from China – Recourse to Article 21.5 of the DSU by China (WT/DS397/RW, WD/DS397/AB/RW）"
2017.05.15
Latest WTO Case Law Analysis on Trade Remedies No.23: Permissibility of Disregarding Costs in Exporters' Records in Constructing Normal Value
2017.04.01
[Series] Cutting-Edge Issues of International Business Law Studies (56): 2017 Revisions to ICC Arbitration Rules and their Implications
2006.04.01
Guide to International Legal Practice (1) to (11)

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