1. Purpose
1.1. Balance encouraging creativity and society benefit
1.2. Protect creativity
1.2.1. Benefit society advances
1.3. Incentive for speculative work
1.4. Let others to enjoy the invention
2. Limition
2.1. Fair Use
2.1.1. Grey Area
2.1.1.1. Never guarantee a qualification of fair use
2.1.1.2. Copyright owner disagree the qualification of fair use
2.1.1.2.1. Need to resolve the dispute in a courtroom
2.2. Trademark
2.2.1. Abuse
2.2.1.1. Some people will register trademark before the original owner do it in order to make money
2.2.1.1.1. For example, New Balance and New Barlun in China
2.2.1.1.2. For example, New Balance and New
2.3. Variance in different country
2.3.1. Caused by
2.3.1.1. particular social, economic and historical conditions
3. Protection property
3.1. Trade secret
3.1.1. Target
3.1.1.1. Secret information
3.1.1.2. Information with commercial value
3.1.1.3. Own innovation
3.1.1.4. Subject to reasonable step by the rightful holder
3.1.2. Characteristics
3.1.2.1. Without registrations
3.1.2.2. Protection with unlimited period of time
3.1.2.3. Keep in confidentiality
3.1.2.4. No territory limit
3.2. Trademark
3.2.1. Target
3.2.1.1. Recognisable sign to identify the goods or services of particular source from those of others
3.2.2. Characteristics
3.2.2.1. Does not expire
3.2.2.2. Lost when it become a common noun
3.2.2.3. Protection by contract
3.2.2.4. terriority aspect
3.2.2.4.1. National level
3.2.2.4.2. International level
3.3. Patent
3.3.1. Target
3.3.1.1. Can be product or process
3.3.1.2. A new way to do thing
3.3.1.3. A new technical solution
3.3.2. Characteristics
3.3.2.1. Exclusive right to prevent or stop others
3.3.2.2. Territorial right
3.3.2.3. With limited period
3.3.2.4. Published publicly
3.4. Copyright
3.4.1. Target
3.4.1.1. Protect to expression rather than the idea, procedure, method, concept
3.4.1.2. Protect to authorship rather than ownship
3.4.2. Characteristics
3.4.2.1. Exclusive right, economics right, moral right, Legal right
3.4.2.2. Ordianance in HK
3.4.2.2.1. balance the rights of the owners and society as a whole
3.4.2.2.2. Automatic right
3.4.3. Versus fair use / fair dealing
3.4.4. Versus Creative Commons
3.5. Registered design
3.5.1. Target
3.5.1.1. Appearance and visual feature of a product
3.5.1.2. Uniqueness, new, distinction
3.5.2. Characteristics
3.5.2.1. Territorial