On September 4, 2026, the 4th internal case sharing session hosted by Shanghai BillionsLawyer LLP was successfully held in the salon meeting room. Focusing on two core themes of "Reversal of Retrial Litigation" and "Non-litigation Risk Control", this session sparked in-depth discussions among attending lawyers through practical case reviews, experience exchanges and unique insights presented by the firm’s speakers, so as to realize experience sharing and professional progress.
Exchange of Minds, Discussion on Practice The first speaker was Attorney Zhang Boyi. Based on a retrial case of housing lease dispute, she presented a complete review of a successful retrial reversal.
Attorney Zhang pointed out that the retrial was initiated by identifying errors in the original judgment’s factual findings and application of law. Taking the original court’s confusion between "contract purpose" and "business purpose", which led to the wrongful application of the automatic termination clause, as the breakthrough point, the termination date of the contract was postponed from "the date when the government issued opinions" to "the date of service of the copy of the complaint", securing rental rights and interests for an additional 4 months. In addition, another key to the litigation reversal was converting the counterparty’s evidence into arguments: the lessee’s continuous communication for approval, payment of utility bills and reinforcement of enclosure works were reinterpreted as acknowledgement of continuous contract performance and possession of the premises, rather than failure to exercise rights.
The court ultimately adopted the judicial logic that "the contract shall be deemed to continue without explicit termination notice and handover procedures". It ruled that the lessee bore primary fault for aggravated losses due to long inaction, and reduced the rent refund amount from 17 million yuan to 2.74 million yuan, a decrease of over 85%. This demonstrates the litigation value of reconstructing legal facts through objective evidence chains.
The second speaker, Attorney Qian Yigang, sorted out the full process of legal due diligence from engagement to closing. Legal due diligence is a closed-loop legal service running through the entire transaction cycle, with the core objective to identify, quantify legal risks and translate them into transaction protection mechanisms.
At the engagement stage, the power and obligations are fixed by signing engagement agreements and confidentiality agreements, and the scope and implementation roadmap of the investigation are defined based on preliminary research. During due diligence, systematic document collection, review and multi-party cross-verification are carried out to qualitatively analyze identified legal issues and quantify risk levels. Site visits and management interviews are supplemented to obtain factual information beyond written documents, and interim reports ensure the client is kept updated on major findings in real time. After issuing the legal opinion, lawyers shall translate risk conclusions into negotiation strategies and clause design — eliminating cognitive gaps through report interpretation, designing risk mitigation clauses such as guarantee and indemnity, leading the drafting and review of transaction documents, and finally ensuring smooth transaction closing with closing checklists and on-site support.
This process reflects that due diligence is not merely a compliance review tool, but an upgraded service that assists and safeguards transactions. Its value is ultimately embodied in turning legal findings into the client’s initiative and protective clauses in commercial negotiations.
Learn from Cases, Inspire the Future The whole event took cases as reference, covering practical experience such as retrial and discussion on the full workflow of due diligence. Going forward, BillionsLawyer will continue to cultivate the philosophy of "Professionalism with Empathy", build a more open and advanced growth platform. Rigorous legal principles and sincere sentiments will grow side by side. Hand in hand with every partner, we will gather strength and scale new heights.
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