In the field of major criminal proceedings, lawyer Long Yaolan also has rich successful experience, representative of which are:

1. In 2018, he served as the defender of Huang Moumou, a department-level cadre of the Shenzhen Intermediate People's Court in the first 30 years since the opening of the Shenzhen Intermediate People's Court, where Wan Guoying, the president of the court, served as the presiding judge, and Wang Yanlin, the chief prosecutor of the Shenzhen Municipal Procuratorate, was the chief prosecutor. Successfully obtained light punishment;

2. After eight years of unjust imprisonment for Xu's crime of infringing trade secrets, after applying for retrial, retrial of first instance, and retrial of second instance, the original sentence of crime was finally revoked, the sentence of innocence was changed, and the sentence was cleared.

3. Served as the defender of Zhu xx in the case of underworld organization crime involving more than 20 people who have been entrenched in Mabu Village, Baoan Xixiang, Shenzhen for decades, and successfully obtained a mitigated punishment.

4. Sered as the defender of nanny Li xx in the case of death caused by negligence in feeding jelly to a 2-year-old child, and successfully obtained a mitigated punishment.

Has handled a large number of complex civil and commercial dispute cases, such as:

1. Skilled in handling complex and high‑profile estate inheritance cases. He has successfully represented a case involving 18 heirs. The heirs involved children born in and out of wedlock. The scope of the estate includes commercial housing, small property housing, industrial plants and industrial office buildings, housing rent, and company equity. The application of law includes the application of Hong Kong law and Chinese mainland law. Through the agency of lawyers, the major disputes between the parties were resolved.

2. Previously represented a dispute concerning a private loan agreement between an individual and a certain foundation. In this case, the natural person, as the borrower, borrowed more than 500 million yuan from the foundation. After our acting natural person appeared in court to respond to the lawsuit, the court of first instance found that the loan contract was invalid and ruled that the parties were exempted from repaying more than 400 million yuan of debts, which not only effectively guaranteed the legal use of charitable funds, but also safeguarded the legitimate rights and interests of our parties.

Significant achievements have also been made in administrative litigation cases, such as:

After China's accession to the WTO, the country's first customs valuation administrative action dispute case, the successful agency of the case triggered the General Administration of Customs to revise and legislate the trial price method, the final judgment of the case was also included by the Supreme People's Court in the Supreme People's Court Bulletin, the agency of the case achieved good social results.