Commercial lease litigation is unusually repetitive. Read enough files and the same five or six clauses keep appearing, attached to different buildings and the same argument.
They are rarely the clauses anyone negotiated. Rent, term and square footage get attention because they are numbers. The provisions that generate litigation are prose, they sit further down, and both sides skim them. Practices acting for landlords and commercial tenants, Coakley Law among them in Denver, see the same short list come round repeatedly.
What follows is a description of recurring patterns, not legal advice. Lease law is state-specific and the drafting matters more than any general rule.
Which Clauses Actually Generate Litigation?
A small set, and they cluster around ambiguity about who bears a cost.
- Maintenance and repair. The line between landlord structural obligation and tenant upkeep.
- Operating expense pass-throughs. What can be charged on, and how it is calculated.
- Assignment and subletting. Whether consent may be withheld, and on what basis.
- What happens when a tenant stays past expiry.
- Casualty and rebuild. Who decides whether to restore, and how long a tenant waits.
None of these matter while things go well. All of them matter within about a week of things going badly.
Why Does Maintenance Cause So Much of It?
Because roofs and HVAC are expensive, long-lived and hard to categorize cleanly.
A typical clause makes the landlord responsible for structure and the tenant for everything else. That works until a 15-year-old rooftop unit fails. Is a replacement a repair or a capital improvement? Both sides have a reading, and the lease often supports neither clearly.
The sharpest drafting answers three questions explicitly. What counts as structural, what happens when a repair becomes a replacement, and whether a capital cost may be amortized and passed through. A lease that answers all three rarely produces this dispute at all.
Broader duties sit alongside the lease and do not disappear because the document is silent, which is the theme running through common challenges in landlord and tenant relationships.
What Makes Operating Expenses So Contested?
The gap between what a tenant expects to pay and what the definition permits.
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Alt text: Interior of a well-lit retail store with wooden beams
Pass-through clauses are usually drafted broadly, then narrowed by exclusions the tenant negotiates. Where exclusions are thin, almost anything arrives on the statement: management fees, capital projects, costs attributable to vacant space.
Three mechanisms do most of the protective work, and their absence is conspicuous:
- A base year, fixing the reference point for increases.
- A cap on controllable expenses, often a fixed percentage annually.
- An audit right, with a workable window and a defined remedy.
Disputes here are rarely about bad faith. They are about a definition doing more work than the tenant realized when they signed.
How Do Holdover Provisions Escalate?
Faster than anyone expects, because the multiplier compounds a bad situation.
Holdover rent is commonly set at 150 or 200 percent of the prior rate. That is a deterrent rather than a valuation, and it is usually enforceable as drafted. Add consequential damages for a delayed incoming tenant and the exposure stops being proportionate to the delay.
The practical problem is that holdovers are often not strategic. A build-out runs late, a permit does not arrive, and a tenant with nowhere to go accrues penalty rent through no particular fault.
What Reduces the Risk At Drafting?
Specificity, in the unglamorous places. Most of the value is in defining terms that look self-evident.
State the dollar threshold above which a repair becomes a replacement. Define structural rather than assuming a shared meaning. Say whether consent to assignment may be withheld in the landlord’s sole discretion or must be reasonable, because that single word decides the case.
Then check the dispute machinery itself. Which forum, whether fees follow the event, and whether notice-and-cure runs before any remedy. Procedural rules shape outcomes at least as much as substantive ones, a point that runs through the federal courts’ own procedural guidance as much as any lease.
Where Local Law Overrides the Drafting
Commercial leases get more freedom of contract than residential ones, but not unlimited freedom.
Statutory notice periods, lien rights for contractors and limits on certain remedies vary considerably by state, and they override the document where they apply. Anyone drafting against a Colorado property can read the current position through the state legislature’s published statutes, and the equivalent exists in every state.
That variation is why a template from another jurisdiction is a liability rather than a shortcut. The clause survives the copy and the statute it was written against does not. Deciding early whether a matter needs counsel, as the question of when a contract dispute needs a lawyer frames it, usually turns on exactly this.
Reading the Back Half of the Lease
The economics of a lease are in the first few pages. The litigation is in the rest.
Anyone negotiating should spend disproportionate time on maintenance, operating expenses, assignment and holdover. Those four produce most of the files, and each is far cheaper to argue about before signing than after.
FAQ
Which Lease Clause Produces the Most Disputes?
Maintenance and repair, because the boundary between a landlord’s structural duty and a tenant’s upkeep is the hardest thing to define cleanly.
What Is a Base Year In an Operating Expense Clause?
The reference year against which future increases are measured. Without one, a tenant can be exposed to the full expense rather than the growth in it.
Is Holdover Rent of 200 Percent Enforceable?
Commonly yes in commercial leases, as a negotiated deterrent rather than a penalty. Enforceability still depends on the drafting and on state law.
Can a Landlord Refuse an Assignment for Any Reason?
It depends on one phrase. Sole discretion and reasonable consent produce very different outcomes, which is why that wording is worth negotiating.
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