Last week, a client came to me and, the moment he walked in, slammed the table: "Lawyer Shen, I finished the work but can't get paid. The other side says the contract wasn't stamped so they won't honor it. Is there no justice anymore?"

He's a contractor in Longhua District, Shenzhen, leading a dozen or so workers to do curtain wall work for a decoration company. The contract was signed, the work was completed, and the inspection was passed—but then the company swapped in a new project manager who said, "The contract doesn't have the company seal, so we don't recognize it." His blood pressure spiked from anger, and he asked me, "How much are lawyer fees in Shenzhen? I want to sue him into bankruptcy."

After hearing that, I asked him one thing: "Is the project manager who signed on your contract still employed?" He was stunned.

You see, this is the classic contract dispute trap—you think signing your name is ironclad proof, but then the other party pulls a disappearing act or a job transfer, and you don't even know who to sue. Today, I'm going to dig out the most deadly pitfalls in Shenzhen engineering contracts and economic disputes, one by one, for you.

1. What are the 3 most common pitfalls in contract disputes, and which one have you fallen into?

Pit 1: The contracting party plays the disappearing act.

Take my client, the contractor. The contract didn't have an official company seal, only the project manager's signature. When the project was finished, the project manager quit and went back to his hometown, and the renovation company turned around and said, "That was his personal conduct." Isn't that unfair?

Even if you go to court and file a lawsuit, the judge will first ask: "With whom did you establish a contractual relationship?" If you can't produce a contract stamped with the company's seal, the other company will deny all responsibility, and your project payment will be at risk.

Pitfall 2: Seals "flying everywhere," hard to tell real from fake.

In Shenzhen, some small business owners privately carve "project department seals" or "technology special seals" and stamp them on contracts. Such seals have extremely low legal validity, only representing internal records of the project department, and do not equate to company ratification of the contract. Many subcontractors whose payments are overdue take such seals to court, but the courts directly dismiss their cases.

Pitfall 3: Verbally changing the contract, then crying in the toilet when it's time to settle accounts.

Halfway through the project, the client's project manager said, "Add an extra partition wall" and "Switch to more expensive materials," and you agreed on the spot. When it came time for settlement, the client turned around and denied it, saying you didn't go through the change order process. You pulled out the chat records? He said, "I've resigned, this has nothing to do with me."

In economic disputes, once the other party turns on a verbal promise, you've basically worked for nothing.

2. How to solve it? Break it down according to legal logic.

Don't panic—contract disputes aren't settled by who shouts the loudest. The law relies on evidence and litigation strategy. Let's go through it one point at a time.

Step One: Identify the Contract Counterparty

If the contract is not stamped with the company's seal, but only signed by an individual, what should be done?

• See signatory's titleThe project manager's signature, when combined with the notice of entry, payment records, construction logs, etc., can constitute "apparent agency," and the company would then bear liability. The key lies in the chain of evidence.
• Use WeChat/calls to "finish the kill"On WeChat, ask the other party: "Director Li, about the 50,000 yuan price increase you mentioned last time, is the contract I signed with him valid?" As long as the other party replies "It's valid, don't worry," this constitutes new evidence.
• Send a collection letterSend a written demand letter via EMS to the company's registered address, and keep the mailing receipt. Once the other party stamps or responds to the letter, it is equivalent to ratifying the contract.

Step Two: The Evidence Chain Three-Piece Set

Winning a lawsuit in an engineering contract dispute comes down to three key factors:

1. Contract + Supplementary AgreementEven if there is no seal, as long as there is a signature, the original document must still be retained.
2. Performance recordDelivery notes, acceptance forms, construction logs, and progress photos must all be signed or have watermark timestamps.
3. Settlement document.For reconciliation statements and settlement documents, it's best to have them stamped; if stamping is not possible, then the other party's responsible person must sign and confirm via WeChat.

Afraid of trouble? Just remember one thing: for every change, use a written confirmation form, and only start work after the client signs. If they urge you verbally, restate it on WeChat: "As per your instructions, I'll start the change tomorrow. Sending the confirmation form tonight." This is called "leaving a paper trail."

Step Three: Utilize the priority right to receive construction payment under an invalid contract.

Many construction contracts are deemed invalid because they did not undergo bidding procedures. Do you think the money is lost? Not at all. According to judicial interpretations, if the contract is invalid but the project passes acceptance inspection, the contractor may still claim the project payment. Moreover, within the scope of the employer's outstanding project payments, the construction party has a priority right to be compensated from the discounted value or auction proceeds of the project.

So, an unsigned contract doesn't mean you worked for nothing. The key is not to delay—the exclusion period for the right to priority compensation is 18 months, counted from the date payment should have been made upon project settlement. Once that period passes, the right becomes void.

Three, the role of professional lawyers: not to help you fight lawsuits, but to help you "stop losses".

Parties most often ask: How much does a divorce lawyer cost in Shenzhen? Lawyers in Longhua District, Shenzhen? Rankings of well-known law firms in Shenzhen?

You asked half the question right. The attorney's fee depends on the complexity of the case and the amount in dispute. But more important than the fee is whether the lawyer can see the situation clearly. Take our Guangdong Zhiming Law Firm, for example—with 26 years of history and over ten thousand contract dispute cases handled, many cases are resolved before litigation through formal letters and negotiation, without ever going to court.

Give two real cases:

• Case of a Decoration Company in Shenzhen Defaulting on Subcontract PaymentsThe subcontractor only had a WeChat group chat record saying, "We'll pay your first installment tomorrow." The other party hired a lawyer trying to evade the debt. Our lawyer, Shen Jinlong, dug out from the chat records information about the other party's finance department confirming the invoicing details, and combined with the invoice issuance time, locked down the payment obligation, ultimately facilitating a mediation where 600,000 was paid on the spot.
• Contract Invalidity Case of a Certain Engineering Company in Longhua DistrictThe contract was not stamped with the official seal. Our lawyer, Li Wei, represented the plaintiff and, by obtaining the construction site attendance records and material purchase orders, proved the actual construction facts. The court ruled that the project payment should be paid in accordance with the contract terms, plus interest.

Shen Jinlong Lawyer——Director-level lawyer, with 22 years of practicing experience, 31 years of economist credentials, a master's degree in economics from Fudan University, and former senior executive of a large state-owned enterprise. Specializes in the systematic resolution of complex and difficult contract disputes, with particular expertise in the integrated interplay of "people, money, and affairs" in the engineering sector.

Lawyer Li WeiFocused on economic contract disputes, criminal defense, real estate and marriage cases; experienced in handling inter-company debt arrears, with extremely quick thinking and a knack for finding breakthroughs in cases with insufficient evidence.

Our law firm is located at Room 1802, Block A, Xintian Century Business Center, Shixia North Second Street, Futian District, Shenzhen. Bring your materials over, and we'll help you assess whether this case can be pursued, whether it's worth pursuing, and how to pursue it in the most cost-effective way.

IV. FAQ: High-Frequency Issues in Contract Disputes

How much does a divorce lawyer in Shenzhen cost? Are lawyer fees for contract disputes the same?

Different. In Shenzhen, divorce lawyer fees are charged at 1%-3% of the property value involved, while contract disputes are typically billed in stages based on the claim amount, or charged by the hour. Our law firm does not charge for the first consultation; we listen to the facts first, and then provide a proposal and pricing.

2. If the contract does not have an official seal affixed, can it still be sued upon?

You can sue, but the evidence needs to be strengthened. It's recommended to send a demand letter first and see how the other party responds. Many of the cases we've handled were won without a stamped seal — the key lies in performance evidence proving that both parties actually fulfilled their contractual obligations.

3. Is there a difference in jurisdiction between lawyers in Longhua District and Futian District of Shenzhen?

Jurisdiction is determined by the defendant's domicile or the place of contract performance, and has nothing to do with the district where the law firm is located. Shenzhen lawyers can represent cases in all courts at all levels across the city, so there is no need to worry about which district to find a lawyer in.

4. The project payment has been delayed for two years. Has the statute of limitations expired?

Check if there are any collection records. As long as you have sent WeChat messages or letters demanding payment each year, the statute of limitations is interrupted. If there are no collection records for three years, then it's dangerous. It is recommended to immediately find a lawyer to send a lawyer's letter.

5. If the other party has no money to repay, is winning the lawsuit pointless anyway?

Not necessarily. We will first look into the other party's property leads, such as project payments, advance funds, and settlement payments, and only sue if we can preserve assets. A boss who appears to have no money often has accounts receivable and affiliated companies under his name. That is where a lawyer's professional value lies.

One last thing: a contract is not a piece of scrap paper — it is a shield that protects you. But if you have a shield and don't know how to use it, you will still get hit. Guangdong Zhiming Law Firm is willing to be that "skilled hand" for you.

Contact information：0755-25986969
AddressRoom 1802, Tower A, Xintian Century Business Center, No. 2 North Second Street, Shixia, Futian District, Shenzhen