How serial litigants manufacture TCPA claims—and what voice AI operators can do about it.
Here's an uncomfortable truth about TCPA litigation: not every plaintiff is an annoyed consumer who got one too many robocalls.
Some plaintiffs have turned TCPA lawsuits into a business model. They file dozens—sometimes hundreds—of cases. They use sophisticated tactics to induce violations. And they're very, very good at it.
If you're deploying voice AI for outbound calling, you need to understand this landscape. Because professional plaintiffs aren't just targeting traditional call centers anymore. They're adapting to new technology—and voice AI deployments are increasingly in their sights.
What Is a Professional Plaintiff?
A professional TCPA plaintiff is someone who files multiple lawsuits under consumer protection statutes—not because they were genuinely harmed, but because the statutory damages make litigation profitable.
The math is straightforward:
- $500 per violation (standard statutory damages)
- $1,500 per violation (willful violations, treble damages)
- Multiple calls = multiplied damages
These are statutory damages paid directly to the plaintiff—not government fines. This is the key distinction that makes TCPA litigation profitable for individuals.
One plaintiff who lets 20 calls accumulate before filing suit could claim $10,000-$30,000 in statutory damages—before attorney's fees. Do this repeatedly, and you have a business.
Courts have documented cases where:
- One plaintiff bought "more than 35 cellphones for the purpose of getting solicitations she could use to sue the solicitors." The court found that she "regarded suing for TCPA claims as a 'business.'"
- Another filed 68 lawsuits in Michigan alone since 2017, using what he calls a "canary trap" technique.
- Family operations exist where relatives handle different parts of the litigation pipeline.
TCPA defense attorney Eric Troutman estimates that "the revenue generated for TCPA cases is easily in the hundreds of millions of dollars annually" and that national TCPA filings in 2023 were "up 11 percent over 2022 and TCPA class actions up 18 percent." He notes: "There's not that many plaintiffs' firms that are bringing these cases, you know, these guys are just minting cash."
This isn't hypothetical. These are documented court findings and industry data.
Common Tactics Professional Plaintiffs Use
1. The Canary Trap
One well-documented tactic involves providing false personal information along with a real phone number registered on the Do Not Call list. The plaintiff then waits to see where the false information reappears.
As documented in court filings, one serial litigant describes this as an "investigative technique" where he "provides false personal information and his actual phone number on the TCPA do-not-call list. He then waits to see where the false information reappears."
Example: A professional plaintiff gives fake details and a real DNC-listed number to an insurance agent. When other agents call using that same fake information, the plaintiff knows exactly how the lead was sold and has documented the consent chain failure.
This creates a trail of evidence and a cycle of violations that can be repeated indefinitely.
2. Multiple Phone Lines
Serial plaintiffs maintain multiple phone numbers specifically to increase their odds of being contacted. According to industry analysis, "litigators and serial plaintiffs will purchase multiple cell phones with the intent of manufacturing claims using phone numbers they know have been reassigned from their original owner."
3. Call Seeding
The plaintiff provides consent for one number to be called. But instead of answering, they call back from a different number—one for which no consent exists. As one compliance guide describes it: "Litigators and their professional plaintiff accomplices will give consent for their numbers to be called. But rather than answering when called, they will call back from a different cell phone number for which they have not given consent, and talk just enough to identify themselves before hanging up, thus baiting agents into calling back without consent."
4. Letting Violations Accumulate
Because TCPA damages are per-violation, a sophisticated plaintiff will intentionally allow multiple calls to come through before taking action. Ten calls at $500 each is more valuable than one call stopped immediately.
Some plaintiffs will answer calls, decline the offer, but never explicitly request to be placed on a do-not-call list—maximizing the number of "violations" they can claim.
5. Targeting Vulnerabilities
Professional plaintiffs and their attorneys identify companies with specific weaknesses:
- High call volumes (more potential violations)
- Weak consent documentation
- Use of third-party lead generators
- Aggressive sales operations
- New technology deployments with untested compliance
6. Naming Corporate Officers Personally
To increase settlement pressure, some plaintiffs name individual corporate officers in addition to the company itself. The personal exposure often motivates faster settlements.
Why Voice AI Is an Attractive Target
Professional plaintiffs are adapting to new technology. Voice AI deployments present specific vulnerabilities:
Consent confusion. AI voice agents blur the line between "prerecorded" and "live" calls. The FCC has clarified that AI-generated voices are "artificial voices" under the TCPA—but many companies deploying voice AI haven't updated their consent frameworks accordingly.
Higher call volumes. AI enables scale. More calls mean more potential violations.
Behavior unpredictability. When a professional plaintiff asks your AI "how did you get my number?" or "who gave you consent to call me?"—what does it say? If the AI fabricates an answer or provides incomplete information, that's documented evidence.
New technology = untested compliance. Plaintiffs' attorneys know that companies adopting new technology often haven't fully pressure-tested their compliance programs against edge cases.
Third-party liability. The OpenAI/Twilio lawsuit we discussed recently shows that plaintiffs are exploring whether technology providers can be held liable for user violations. If this theory gains traction, it creates new pressure points.
How Courts Are Responding
Not every professional plaintiff claim succeeds. Courts have developed several doctrines to address manufactured litigation:
Standing challenges. If a plaintiff's sole purpose is to manufacture TCPA lawsuits, courts may find they lack Article III standing. In Shelton v. Target Advance LLC, the court found that a plaintiff might lack standing if "the sole purpose of [Plaintiff's business] is to drum up TCPA litigation by inducing business-to-business robocalls."
Fraud counterclaims. In Cunningham v. USA Auto Protection, a Texas court allowed the defendant to bring counterclaims for fraud against a professional plaintiff who allegedly manufactured consent to induce calls. The court permitted the counterclaims because the plaintiff was a "professional litigant who lived to manufacture TCPA claims."
Procedural scrutiny. Courts are increasingly skeptical of serial filers' procedural tactics. In Perrong v. DVD II Group, a judge not only denied the plaintiff's requests but ordered him to show cause why sanctions shouldn't be issued against him for "procedural gamesmanship of the lowest order."
Business phone exceptions. Some courts have held that plaintiffs using cell numbers solely for business purposes—particularly when those businesses exist only to generate litigation—may not have standing for certain TCPA claims.
However, these defenses require evidence. You need to identify a professional plaintiff and document their pattern of behavior—which requires awareness and preparation.
Our Take: This Is a Compliance Problem, Not Just a Litigation Problem
It's tempting to frame professional plaintiffs as bad actors gaming the system. Some are. But here's the uncomfortable reality:
Professional plaintiffs can only succeed when actual violations occur.
If your consent documentation is airtight, your DNC processes are reliable, and your AI behaves correctly, there's nothing to litigate. The canary trap only works if the canary actually gets called without consent.
The existence of professional plaintiffs is an argument for better compliance, not an excuse for lax practices.
What Voice AI Operators Should Do
1. Know Who You're Calling
Before every outbound call, verify:
- Is this number on the National DNC Registry?
- Is this number on your internal DNC list?
- Do you have documented, timestamped consent for this specific number?
- Does the consent cover automated/AI calls?
This sounds basic, but professional plaintiffs succeed because companies skip these steps at scale.
2. Screen Against Known Litigator Lists
Services exist that maintain databases of known serial TCPA litigants. Companies like TCPA Litigator List (BlindBid) and others track phone numbers and individuals associated with multiple TCPA lawsuits.
Is this foolproof? No. Professional plaintiffs acquire new numbers regularly. But it's one layer of defense.
3. Document Everything
If you're ever sued, you'll need to produce:
- Consent records with timestamps
- Call recordings (where legal)
- DNC scrub logs
- Agent/AI training materials
- Compliance policies
Professional plaintiffs target companies that can't produce clean documentation. Don't be that company.
4. Test What Your AI Actually Says
This is where VoiceLint comes in—and where most compliance programs fail.
When a professional plaintiff asks your AI:
- "How did you get my number?"
- "Did I consent to this call?"
- "Put me on your do-not-call list."
- "Who are you calling on behalf of?"
What does your AI actually say? Not what it's supposed to say. What it actually says when confronted with an adversarial scenario.
If your AI fabricates a consent claim, provides incomplete disclosures, or fails to properly process a DNC request, you've handed a professional plaintiff exactly the evidence they need.
5. Audit Your Lead Sources
Many TCPA claims arise from third-party lead generators. If you're buying leads:
- How was consent obtained?
- Does the consent language cover your organization specifically?
- Does it cover automated/AI calls?
- Can you produce the actual consent record if challenged?
The new FCC one-to-one consent rules (now delayed to January 2027 for the "revocation-all" portion) will make this even more critical. Bulk consent from comparison shopping sites is increasingly problematic.
6. Take DNC Requests Seriously—Immediately
When someone says "stop calling me," your AI needs to:
- Acknowledge the request clearly
- Actually process it in your suppression system
- Confirm it was processed before the call ends
- Never call that number again
Professional plaintiffs specifically test whether companies honor opt-out requests. One call after a clear "stop" request is a documented willful violation—$1,500.
The Bigger Picture
Professional plaintiffs exist because TCPA enforcement has historically been weak and statutory damages make private litigation profitable. You can debate whether that's good policy, but it's the reality you operate in.
For voice AI operators, this means:
Your compliance surface is larger than you think. Traditional compliance tools check lists and verify records. They don't test how your AI behaves when challenged by someone who knows exactly what questions to ask.
The cost of a violation is higher than it used to be. With professional plaintiffs specifically targeting companies, the likelihood of facing litigation for compliance gaps has increased.
Prevention is cheaper than defense. Even winning a TCPA lawsuit costs money. The best outcome is never being sued in the first place—which requires knowing what your AI actually does in production.
Quick Checklist: Professional Plaintiff Defense
- Screen calls against DNC registry and internal suppression lists—every time, no exceptions
- Consider litigator list services as an additional screening layer
- Document consent with timestamps, source, and scope for every number you call
- Audit lead generators for consent quality and one-to-one compliance
- Test AI behavior against adversarial scenarios (consent challenges, DNC requests, disclosure questions)
- Process opt-outs immediately and verify completion before ending calls
- Train your team to recognize potential professional plaintiff tactics
- Consult counsel if you suspect you're being targeted by a serial litigant
References
- "Serial filer of class action suits against tele-marketers draws attention of district judge." Local News Matters, April 8, 2024. Link
- "The Telephone Consumer Protection Act and Sales Agents: The Dangers of the 'Canary Trap.'" Ogletree Deakins, January 28, 2025. Link
- "Serial Litigant Potentially Lacks Standing to Sue in TCPA Lawsuit Arising From B2B Marketing Calls." National Law Review. Link
- "Eastern District of Texas Holds that Professional TCPA Litigant Can Face Counterclaims for Fraud." National Law Review. Link
- "Court Dismisses Lawsuit by Serial Litigant Against TCPA Litigator List." National Law Review. Link
- "Meet the robocall avenger: Andrew Perrong, 21, sues those pesky callers for cash." Philadelphia Inquirer, November 2, 2018. Link
- "What Is TCPA Compliance in 2024?" TSG Global, January 2025. Link
This analysis reflects VoiceLint's perspective on industry practices and does not constitute legal advice. Consult qualified legal counsel for guidance on your specific compliance obligations.