Category: blog

Episode 23 Supreme Court rulings on the doctrine of equivalents include the Ball Spline case (Supreme Court ruling of February 24, 1998) and the Maxacalcitol case (Supreme Court ruling of March 24, 2017). The doctrine of equivalents presented in the Ball Spline case typically assumes relief for patent holders when a new material with the…

Episode 22 When a company is trying to build a brand image, it may be considered effective to be able to protect the background pattern on the surface of the product or the background pattern on the wrapping paper as a right. Regarding this, the Trademark Examination Guidelines of the Japan Patent Office, regarding the…

Episode 21 When a company formulates a brand strategy, the trade name and trademark are at the heart of it. A company’s name is its trade name (Article 6, Paragraph 1 of the Companies Act). A trademark is a character, figure, symbol, etc. that is used in connection with goods or services (Article 2, Paragraph…

Episode 20 In recent years, the number of AI-related patent applications has increased, and the rate of patent grants has also risen (https://www.jpo.go.jp/system/patent/gaiyo/sesaku/ai/document/ai_shutsugan_chosa/hokoku.pdf).The Japan Patent Office has published a total of 25 AI-related cases in Annexes A and B of the Patent and Utility Model Examination Handbook (https://www.jpo.go.jp/system/laws/rule/guideline/patent/document/ai_jirei/jirei.pdf).By the way, AI-related inventions are one type…

Episode 19 A request for examination of a patent application can be made within three years from the filing date (Patent Law, Article 48-3, Paragraph 1), and if no request for examination is made within that period, the patent application is deemed to be withdrawn (Patent Law, Article 4, Paragraph 4). When one year and…

Episode 18 It is possible to apply for design registration for three-dimensional shapes, and it is also possible to apply for registration as a three-dimensional trademark. Since design rights are creations resulting from human mental activity, registration requires novelty and creatability, and the term of the right is limited (25 years from the application date).…

Episode 17 Intangible property rights (intellectual property rights) include rights to creations that are the result of human mental activity and rights to goodwill (Basic Jurisprudence 3: Property, p. 281, “Intangible Property Rights” by Nakayama Nobuhiro). Creations that are the result of human mental activity include patent rights, utility model rights, and design rights. Rights to…

Episode 16 It has been pointed out that the Stockinette Knitting Machine Case (Supreme Court, Grand Court Decision, Case No. 28, 1967 (Gyo-Tsu), March 10, 1976; Minshu Vol. 30, No. 2, p. 79) and the Chetwa Case (Supreme Court, Third Petty Court Decision, Case No. 37, 1988 (Gyo-Tsu), April 23, 1991; Minshu Vol. 45, No.…

Episode 15 The Kilby decision (Supreme Court, 1998 (O) No. 364, April 11, 2000, Third Petty Bench, Minshu Vol. 54, No. 4, p. 1368) ruled that the infringement court can determine whether or not there is a reason for invalidation of a patent, and that if there is a reason for invalidation, a claim for…

Episode 14 Even if a trademark or design is not registered, it is possible to seek an injunction or damages for infringement under the Unfair Competition Prevention Act. However, while the hurdle for proving the requirements for an injunction or damages under the Unfair Competition Prevention Act is high, the existence of a trademark right…