The maximum period of detention for counterfeiting cases is generally 37 days.

According to the relevant laws and regulations of our country, if the public security organs believe that a detained person needs to be arrested, they should submit it to the People's Procuratorate for review and approval within three days of detention. In special circumstances, the time for submission for review and approval may be extended by one to four days. For major suspects who commit crimes on the run, commit crimes multiple times, or commit crimes in groups, the time for application for review and approval can be extended to 30 days; the People's Procuratorate shall make a decision whether to approve the arrest or not within seven days of receiving a request from the public security organ to approve the arrest. Decision to arrest; selling goods that are knowingly counterfeiting registered trademarks will be considered a criminal offense after reaching a certain level, that is, selling counterfeit and inferior products with a large sales amount will be punished with fixed-term imprisonment of not more than three years or criminal detention, and concurrently or solely punished If the sales amount is huge, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years, and shall also be fined. Although there is an act of selling goods counterfeiting someone else's registered trademark, the sales amount is not large and does not constitute this crime.

The filing standards for counterfeit sales cases are as follows:

1. The sales amount of counterfeit and shoddy products exceeds 50,000 yuan;

2. The counterfeit and shoddy products have not yet been sold, and the value The amount is more than 150,000 yuan;

3. The sales amount of counterfeit and shoddy products is less than 50,000 yuan, but after multiplying the sales amount three times, the total value of the counterfeit and shoddy products that have not yet been sold is 150,000 yuan. Yuan and above.

To sum up, usually when summoned by the public security organs or detention measures have been taken, one should actively cooperate with the investigation and proactively report the situation. Under normal circumstances, the detention period shall not exceed 10 days. In cases where the case is complex and cannot be terminated upon expiration of the period, the detention period may be extended to 14 days. For major suspects who commit crimes on the run, commit crimes multiple times, or commit crimes in groups, the detention period can be extended to 37 days. In order to collect criminal evidence and detect criminals, investigators may search the bodies, belongings, residences and other relevant places of criminal suspects and people who may hide criminals or criminal evidence. If you are dissatisfied with the public security's handling of the case, you can report it to the local disciplinary inspection and supervision department and request relevant compensation.

Legal basis:

Article 214 of the Criminal Law of the People's Republic of China

The crime of selling goods with counterfeit registered trademarks and knowingly selling them If the amount of illegal gains is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not more than three years and concurrently or solely with a fine; if the amount of illegal gains is huge or there are other particularly serious circumstances, he shall be sentenced to not less than three years and ten years in prison. to fixed-term imprisonment of not more than 10 years and to a fine.