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Cases of design protection - Interiors protected by design, store interiors, residential interiors

Written by 弁理士 杉浦健文 | 2026/05/22

The interior design classification is organized as follows, and currently all designs are assigned the "L3-7" classification. Below are some examples of protection.

Table of Contents

  1. Drugstore interior
  2. Cosmetics department interior
  3. Apparel store interior

Interior design classification list

Design classification Display of design classification Product name
L3-70Interior Hospital room interior, airport terminal lobby interior, hotel room interior
L3-71 Interior of office or educational facility Office interior, classroom interior, library interior
L3-72 House interior Residential living room interior, Residential kitchen interior, Residential bedroom interior
L3-73 Store interior Restaurant interior, Bookstore interior, Grocery store interior, Clothing store interior, Drugstore interior

Drugstore interior

Design classification L3-7
Articles related to designs Drugstore interior
Design right holder Chubu Pharmaceutical Co., Ltd.
Registration number Design Registration No. 1693229
The area indicated by the solid line is the protection range. This is a case in which rights are being protected for the interior of a drugstore's cash register area. The red background is also part of the scope of rights.

Interior of cosmetics department

Design classification L3-7
Articles related to designs Cosmetics department interior
Design right holder Kose Co., Ltd.
Registration number Design Registration No. 1690192
Design description The interior is mainly the interior of a cosmetics department set up in a department store, etc., and is used for displaying and selling products, serving customers, etc. The outermost side surface of fixture B is transparent. As shown in the "partial enlarged view of the product display section provided on the wall", the approximately hexagonal portion provided on the wall is recessed toward the back side, allowing products to be displayed. The parts other than the parts colored pink are the parts for which design registration is sought as a partial design.
Rights are protected for the arrangement of fixtures, the shape of individual fixtures, etc., and the parts colored pink are the parts that have been disclaimed (rights not claimed). This is a very useful example of protection when arranging store fixtures.

Apparel store interior

Design classification L3-7
Articles related to designs Parel store interior
Design right holder Nitori Holdings Co., Ltd.
Registration number Design Registration No. 1690954
Design description Each arrow shown in the reference floor plan represents the position and direction of the viewpoint, with the number at the starting point corresponding to the number from perspective view 1 to 3, respectively.
This is the interior of an apparel store. Examples of protecting the arrangement and position of fixtures for displaying clothes, such as hangers, racks, and tables.

AUTHOR

Takefumi SUGIURA （杉浦 健文）

EVORIX Intellectual Property Law Firm　Managing Patent Attorney

Supports clients across IT, manufacturing, startups, fashion, and medical industries, covering patent, trademark, design, and copyright filings through trials and infringement litigation. Specialized in IP strategy for AI, IoT, Web3, and FinTech. Member of the Japan Patent Attorneys Association (JPAA), Asian Patent Attorneys Association (APAA), and Japan Trademark Association (JTA).
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