（職責）
(Duties)
第三条 弁理士は、常に品位を保持し、業務に関する法令及び実務に精通して、公正かつ誠実にその業務を行わなければならない。
Article 3 A patent attorney shall at all times maintain his/her dignity, be knowledgeable about laws, regulations and practices concerning the business, and conduct his/her business in a fair and sincere manner.
（業務）
(Business)
第四条 弁理士は、他人の求めに応じ、特許、実用新案、意匠若しくは商標又は国際出願若しくは国際登録出願に関する特許庁における手続及び特許、実用新案、意匠又は商標に関する異議申立て又は裁定に関する経済産業大臣に対する手続についての代理並びにこれらの手続に係る事項に関する鑑定その他の事務を行うことを業とする。
Article 4 (1) A patent attorney shall, in response to the request of others, engage in the business of representing others regarding procedures with the Japan Patent Office as pertaining to patents, utility models, designs or trademarks, or international applications or international applications for registration, and procedures with the Minister of Economy, Trade and Industry with regard to application an objection or to an award pertaining to patents, utility models, designs or trademarks, giving expert opinions and handling other affairs pertaining to the matters relating to the said procedures.
２ 弁理士は、前項に規定する業務のほか、他人の求めに応じ、次に掲げる事務を行うことを業とすることができる。
(2) In addition to the business as provided in the preceding paragraph, a patent attorney may, in response to the requests of others, also engage in the business of handling the following affairs:
一 関税法（昭和二十九年法律第六十一号）第六十九条の三第一項及び第六十九条の十二第一項に規定する認定手続に関する税関長に対する手続並びに同法第六十九条の四第一項及び第六十九条の十三第一項の規定による申立て並びに当該申立てをした者及び当該申立てに係る貨物を輸出し、又は輸入しようとする者が行う当該申立てに関する税関長又は財務大臣に対する手続についての代理
(i) Representing such others with regard to procedures with the Chief Customs Inspector as related to the accreditation procedure provided in Article 69-3 (1) and Article 69-12 (1) of the Customs Act (Act No. 61 of 1954), procedures with Director-General of Custom-Houses or the Minister of Finance with regard to petitions as provided in Article 69-4 (1) and Article 69-13 (1) of the same Act, or such petitions to be submitted by persons making such petitions and persons who are to export or import the goods pertaining to such petitions;
二 特許、実用新案、意匠、商標、回路配置若しくは特定不正競争に関する事件又は著作物（著作権法（昭和四十五年法律第四十八号）第二条第一項第一号に規定する著作物をいう。以下同じ。）に関する権利に関する事件の裁判外紛争解決手続（裁判外紛争解決手続の利用の促進に関する法律（平成十六年法律第百五十一号）第一条に規定する裁判外紛争解決手続をいう。以下この号において同じ。）であって、これらの事件の裁判外紛争解決手続の業務を公正かつ適確に行うことができると認められる団体として経済産業大臣が指定するものが行うものについての代理
(ii) Representing such others with regard to alternative dispute resolution procedures (meaning alternative dispute resolution procedures as provided in Article 1 of the Act on Promotion of Use of Alternative Dispute Resolution (Act No. 151 of 2004). Hereinafter the same shall apply in this item.) pertaining to any cases related to patents, utility models, designs, trademarks, circuit layouts or specific unfair competition, or any cases related to a right concerning any works (meaning the works as provided in Article 2 (1) (i) of the Copyright Act (Act No. 48 of 1970). The same shall apply hereinafter.) to the extent that such procedures are performed by a body designated by the Minister of Economy, Trade and Industry as a body recognized to be capable of doing the business of performing alternative dispute resolution procedures for said cases in a fair and proper manner; and
３ 弁理士は、前二項に規定する業務のほか、弁理士の名称を用いて、他人の求めに応じ、特許、実用新案、意匠、商標、回路配置若しくは著作物に関する権利若しくは技術上の秘密の売買契約、通常実施権の許諾に関する契約その他の契約の締結の代理若しくは媒介を行い、若しくはこれらに関する相談に応じ、又は外国の行政官庁若しくはこれに準ずる機関に対する特許、実用新案、意匠若しくは商標に関する権利に関する手続（日本国内に住所又は居所（法人にあっては、営業所）を有する者が行うものに限る。）に関する資料の作成その他の事務を行うことを業とすることができる。ただし、他の法律においてその業務を行うことが制限されている事項については、この限りでない。
(3) In addition to what is provided for in the preceding two paragraphs, a patent attorney may, using the name of a patent attorney and in response to the request of others, also engage in the business of agency or mediation with regard to concluding contracts for selling any rights or technological secrets, or non-exclusive licensing or other contracts relating to patents, utility models, designs, trademarks, circuit layouts or works, the provision of consulting service with regard to such matters, or the preparation of materials or handling other affairs concerning procedures related to any rights pertinent to patents, utility models, designs or trademarks with any foreign administrative authorities or equivalent organizations (provided, however, that such procedures are limited to those to be performed by a party having a domicile or residence (or business office in case of a judicial person) in Japan); provided, however, that this shall not apply to any matters regarding which doing business is restricted by any other Acts.