[Patent 3 Law Practice T, a helper for various tests and studies] (TTS version)
- Essential app for patent-related workers and patent attorney exam takers
- Visit https://www.usefulpen.com to learn more.
(New! T series that supports TTS (speech-to-speech) function)

* Package app that includes patent law, trademark law, and design law in one app
* Freely select the desired law and search or study its provisions
* The app is lightweight as it does not use the Internet (data)

1. Effective replacement for paper books

- Easy to carry and allows you to immediately find the necessary documents
- Powerful search function by condolence number and word
- There is no need to change the law code as it is updated for free when the law is revised.
- You can view other provisions cited in the legal text by popping them up with one click.

2. Infinite repetition of key keyword parentheses practice (parentheses mode)

- Effectively learn and memorize key keywords of the relevant legal provisions
- Improve memorization effect by ‘hiding/showing’ the main keywords of condolences sequentially
- Infinite repetition until memorized or mastered
* To go to parentheses mode, press and hold the ‘Search’ button at the bottom.
* If you press and hold the 'question mark' button at the bottom (2~3 seconds), instructions for use will pop up.

3. ‘Table of Contents’ function
- Addition of ‘Table of Contents’ page to all previously released legal apps
: Click the index (i) button at the top right of the screen.
: Go to the ‘Table of Contents’ page in the current condolences.
: You can quickly find the part you want

4. ‘Steam’ function
- Users can find parts that are difficult to memorize, are often incorrect, or are considered important.
Improve learning effectiveness by designating and focusing on learning
- It can be saved and loaded as a favorite file (unlimited number of files), so it can be used for various purposes.

5. TTS (speech-to-speech) function
: Supports 4 listening modes and allows adjustment of interval, pitch, and speed between condolences
- Manual sentence switching: Listen while moving the mode manually
- Listen to the current condolence repeatedly: Listen to the currently selected condolence repeatedly indefinitely
- Listen to condolences that you have saved in succession: Listen to condolences that you have saved in succession.
- Continuous section listening: Set the start and end sentence numbers for the section you want to listen to and listen to them continuously.

6. Prompt update when laws are revised

[Google Policy Compliance]
1. The sources of legal provisions used in this app are as follows:
Korea National Law Information Center https://www.law.go.kr/LSW/main.html
2. Chaymsoft does not represent any government agency and uses the relevant laws provided by the National Law Information Center above without change.
3. Each article of the law has no intellectual property rights, so anyone can use it.
4. Therefore, this app complies with Google’s developer program policy.