Legal analysis: Selling a Momo account is illegal. If others use it to commit crimes, the owner of the account is also jointly and severally liable. He cannot sell any information, including his own or others'. Mobile phone numbers are now all registered under real names, which is equivalent to selling your personal information on the Internet, which is quite dangerous. When selling software, you need to meet the legal sales conditions to avoid breaking the law. You can obtain the sales agent right for the software. You may need to contact the author to discuss related matters. The conviction of the crime of infringement of intellectual property rights should be determined based on the facts of the crime. Generally speaking, if the offender uses the party's intellectual property rights such as registered trademarks, copyrights, copies the party's works, or steals business secrets, it can be regarded as infringement of knowledge. property rights crimes.

Legal basis: "Intellectual Property Law of the People's Republic of China"

Article 7: Scientific and technological works that should be protected by patent law, technology contract law and other laws shall apply Provisions of laws such as Patent Law and Technology Contract Law.

Article 8 The copyright administrative department of the State Council is responsible for copyright management nationwide; the copyright administrative departments of the people's governments of various provinces, autonomous regions, and municipalities directly under the Central Government are responsible for copyright management in their respective administrative regions.