When expert reports become their own dispute

How expert disagreement can turn one legal case into two cost problems.

Published: 10 March 2026   |   Reviewed: 14 May 2026 
(3-minute read)
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A case usually starts with something real.

A cracked wall.
A leaking building.
A failed business deal.
An injury.
A repair bill.

Someone asks an expert:

What happened?
What caused it?
What will it cost to fix?

The first report feels useful.

It gives the problem shape.
It seems to move the case closer to an answer.

Then the other side gets its own expert.

Now there are two reports.

They disagree.

Then come replies.
Then more questions.
Then the experts meet.
Then comes a joint report.

The joint report says what the experts agree on.

Then it says what they still dispute.

By then, the case has changed.

The cracked wall is still there.
The leak is still there.
The injury is still there.
The lost money is still there.
The repair bill is still there.

But the dispute is now also about the reports.

What assumptions were used.
Which method was right.
How the numbers were calculated.
What caused the harm.
Which words matter.
Which explanation is more convincing.

Expert evidence is often necessary.

The expert is not the problem.

Most people notice the expert’s invoice first.

But the invoice is only the part people can see.

The hidden cost is the work that grows around that disagreement.

Briefing the expert.
Gathering documents.
Reading the report.
Comparing reports.
Asking questions.
Explaining answers.
Preparing for mediation.
Preparing for trial.

As that work grows, the timetable stretches.

The case becomes harder to resolve.

That is why the pattern is hard to stop.

Every further step can sound sensible.

We need an expert.
We need to answer their expert.
We need to test the assumptions.
We need to clarify the disagreement.
We need to be ready if the case does not settle.

Each reason may be true.

But truth is not the same as proportion.

A step can be reasonable on its own and still become crushing when added to everything else.

The question that matters is simple:

What will this next expert step change?

Will it help settle the case?
Will it narrow the dispute?
Will it change the result?

Or are we paying to fight about the fight?

That is when expert reports stop being just evidence.

They become another dispute inside the dispute.

The original problem remains.

The reports multiply.

The legal bill grows around them.

By Nicky Wang
Principal Solicitor

Further reading

If the problem is structural, the safeguards also need to be structural.

Why Two Lawyers Often Cost Less Than One
How role separation can make cost exposure visible before it expands.

Two-Lawyer Collaboration & Escrow Oversight Statement
How independent cost oversight, settlement support and escrow authority can operate without interfering with courtroom advocacy.