1. The theoretical system of law
(1) Minor civil law
General principles of civil law, property law, creditor's rights (contract, management without cause, unjust enrichment, Torts), relatives (marriage, inheritance).
(2) Major Civil Law
Small Civil Law Intellectual Property Law (Copyright, Trademark Rights, Patent Rights)
If you include the commercial law part, there is also company law , maritime law, etc.
II. Legislative System
General Principles: General Principles of Civil Law
Property Rights: Property Law
Obligation: Contract Law, Tort Liability Law
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Relatives: marriage law, inheritance law
Intellectual property: copyright law, trademark law, patent law
Others: company law, partnership law, sole proprietorship, law Maritime law, security law, etc.