Dong Soo Han

Yulchon LLC


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The Korean Supreme Court Establishes a New Test for Determining Inventive Step in Administration Method and Dosage Inventions

South Korea - December 28 2017 On August 29, 2017, the Korean Supreme Court upheld the inventive step of a patent covering a method of administration of a particular dosage…

Cho Rong Yun, Woo Rim Lyu.

Design Patent: Hermès v. Play No More (Seoul High Court 2016 Na 2035091)

South Korea - August 8 2017 Hermès alleged that Play No More copied its Kelly and Birkin handbag designs, which caused consumer confusion. Accordingly, Hermès claimed that Play…

Hae Ju Kim, Jeong Hoon Hwang, Jung Hyun Kim.

Patent Invalidation: Lutronic v. BTL Holdings Ltd.

South Korea - August 8 2017 On February 14, 2017 the Korean Intellectual Property Tribunal ("KIPT") ruled in favor of Lutronic and against BTL Holdings Ltd. ("BTL") in a patent…

Jai Wook Lee, Jeong Hoon Hwang, Myung Hoon Kim, Seung Jo Kim.