Ms. Lijuan MU has 20 years of rich experience related to patent examination, appeal, and rights protection,  Ms. Mu has handled thousands of patent invalidation and litigation cases and has participated in the amendment of the Patent Law and compilation of books for many times.

Ms. Mu is proficient in her legal practices in patents, has intimate knowledge of the trial standards in patent cases, and can provide clients with targeted and effective litigation strategies and legal opinions. Primarily Ms. Mu’s practices focus on patent invalidity, patent administrative and civil litigation, patent application, patent strategy design and portfolio development, patent analysis, etc. In particular, she is very experienced in patent cases in technical areas of computer, communication, Internet, electronic circuit, automation, semiconductor, photoelectricity, machinery, etc. Ms. Mu has represented for a number of well-known domestic and foreign enterprises, including Micron Technology Inc., United Wire Ltd., Popsockets LLC., Midea, Huawei, Baidu, Tencent, Hytera, Great Wall Motors, Haier, etc. 

Ms. Mu has been chosen into compilation team of Case by Case - Typical Case Guidance for Patent Invalidation and Reexamination in the Patent Reexamination Board and members of expert advisory committee of intellectual property cases research base (Beijing) of the Supreme People's Court.

Lung Tin Law Firm

A Law Firm

No.5 Civil Court of Beijing Second Intermediate Court

Department of electronics appeal of the Patent Reexamination Board

Department of Computer Engineering, Division of Electronics Invention Examination of CNIPA

L.L.M., Civil and Commercial Law, China University of Political Science and Law

Bachelor of Engineering, Computer science and technology, Xidian University

• Law Amendment:

1. One of the Principal Writers, The Fourth Amendment of Patent Law in 2014

2. Co-writer, Part 4 of Guidelines For Patent Examination (2010 version)

• Book Editing:

1. Principal writer, Case by Case - Typical Case Guidance for Patent Invalidation and Reexamination

2. Co-writer, Case Explanation of PRB

3. Principal Writer of Sections, Analysis of Reexamination, Invalidation and Typical Cases

• Research:

Participating in following researches as one of the first group of examination experts:

1. Principal Writer, Those Skilled in the Art, Study of Academic Board of CNIPA in 2009

2. Principal Writer, Research on Legal Issue of Functional Restriction, Study of Academic Board of CNIPA in 2010, Appraised as Excellent Study

3. Principal Writer, Analysis on the Issue Relating to Patent Administrative Law Enforcement, Study of Beijing Second Intermediate Court in 2011

4. Principal Writer, Judgment on Technical Enlightenment in the Inventive Step Determination, Study of PRB in 2012

5. Principal Writer, Optimizing Drafting Regulation of Examination Decision, Study of PRB in 2012

6. Principal Writer, Examination Standard A 33 of Patent Law, Study of PRB in 2012

7. Principal Writer, Identification of Technical Problem in Judgment of the Inventive Step, Study of PRB in 2013

8. Principal Writer, Application of the Ability of Those Skilled in Judgment of the Inventive Step, Study of PRB in 2013

9. Principal Writer, Application of Examination Standard in the Computing Field, Study of PRB in 2013

10. Principal Writer, Research on the Issues Relating to the Inventive Step, Study of CNIPA in 2014

11. Principal Writer, Research on System Optimization and Regulation Improvement of Patent Reexamination and Invalidation Procedure, Study of CNIPA in 2014 

• Recent Publications:

1. Objection Examination for Patent Application of Computer Program Algorithm, China Invention and Patent

2. Typical Cases of Intellectual Property of Changzhou Intermediate Court, Jiangsu Law Newspaper

3. Interpretation and Thinking for Three-step Method of Inventive Step Judgment, Theory and Practice of Inventive Step

4. Remark on Overall Understanding of Prior Art of Inventive Step, China Invention and Patent

5. Identification of the Authenticity and Publication Time of the Internet Proof, China Patent and Trademark

6. Reasonable Fee Should Be Paid for Offering for Sell Patented Product in the Temporary Protection period, People’s Court Newspaper

7. Understanding and Application of Law Issue in Patent Infringement Lawsuit- Analysis of Typical Patent Infringement Judgment of Changzhou Intermediate Court, Examination Communication

8. Thinking of Development of the System of Intellectual Property, Examination Communication

9. Identification of the Technical Enlightenment in the Inventive Step Judgment, Examination Communication

10. Identification, Examination and Explanation of the Functional Restricting Claims, Examination Communication

11. Object Examination for Patent Application of Computer Program Algorithm, Examination Communication

12. Examination Ideas on Patent Application Relating to Business Method, Examination Communication

13. How to Choose the Closest Prior Art, Hengdu Law Research

14. Eternal Topic: How Many Technical Problems Could Be Solved by Multiple Distinctive Characters, Hengdu Law Research

15. Interpretation of the Hot Spot in the Amendment of Examination Guidelines- Examination Standard of Application of Business Method: Transverse Comparison among CNIPA, JPO, EPO and USPTO, Hengdu Law Research

16. A Typical Scenario of Determination of Solving the Technical Problem, Hengdu Law Research

17. Adding the Fuel of Profit to the Fire of the Talent Accurately: Understanding of the Idea of Invention, Hengdu Law Research