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City of Farmers Branch Trampoline Park Injury Attorney Attorney911 of Houston TX: 25+ Years Defeating Corporate Parent Waivers for Sky Zone Urban Air DEFY Altitude and Launch with Former Recreational-Defense Insider Lupe Peña Using the Delfingen Bilingual Attack and Tex Fam Code 153.073 Signer-Authority Defeat Strategy; Ralph Manginello – Federal Court Admitted Pediatric Catastrophic Injury Mastery Targeting TBI SCIWORA Salter-Harris Growth-Plate and Rhabdomyolysis Claims Anchored by Cosmic Jump 11.485M Harris County Verdict and Damion Collins 15.6M Urban Air Arbitration; National Litigation Authority on ASTM F2970 ASTM F381 AAP and EN ISO 23659:2022 Safety Standards Overcoming Gross Negligence and Double-Bounce Force Violations; Elite Backyard Manufacturer Defect Claims Against Jumpking Skywalker Springfree and Bouncepro (Walmart) Plus Sky Rider Strangulation Patterns and Climbing Wall Harness Failures; Hablamos Español No Fee Unless We Win Free Consultation 24/7 1-888-ATTY-911

April 25, 2026 15 min read
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One bounce. One bad landing. One life changed forever. For families in City of Farmers Branch, a Saturday afternoon at a trampoline park is marketed as a high-velocity playground for birthday parties and “glow nights.” But the reality inside facilities like Sky Zone Irving or Urban Air North Dallas is often far more dangerous than the bright lights and loud music suggest. At Attorney911, we call the sound that follows a trampoline accident in City of Farmers Branch “the worst scream you could ever hear from a child.” That is how Kaitlin “Kati” Hill described the moment her three-year-old son’s femur snapped during a session marketed for toddlers. Colton spent months in a body cast because a bigger child landed on his trampoline bed. Kati’s warning was shared over 240,000 times because most parents in City of Farmers Branch have no idea that these facilities are built on a foundation of systemic negligence and calculated risk.

We don’t look at a child’s broken leg as a “freak accident.” We see a business decision. When a park in City of Farmers Branch operates at half the required attendant ratio during a weekend rush to protect their profit margins, the injuries that follow are entirely predictable. Our founding partner, Ralph Manginello, has spent more than 25 years making corporate defendants pay for catastrophic injuries. We’ve fought Fortune 500 companies in cases like the BP Texas City refinery litigation, and we bring that same battle-tested experience to every trampoline park case we take. We aren’t intimidated by the parent companies behind these chains—whether it’s Sky Zone, Inc. (renamed from CircusTrix) backed by Palladium Equity Partners, or Urban Air’s parent, Unleashed Brands, backed by Seidler Equity. We’ve already beaten their playbook.

The Reality of Trampoline Park Injuries in City of Farmers Branch

When you take your children to a jump center in the City of Farmers Branch area, you aren’t just entering a gym. You are entering a facility designed to scale industrial-level throughput with teenage supervision. Nationally, trampolines send more than 300,000 Americans to the emergency room every year, and the vast majority are children. In a major metro like Dallas-Fort Worth, which includes City of Farmers Branch, the Fort Worth Star-Telegram documented 500 injuries across 21 trampoline parks over a seven-year period. These aren’t just scrapes or bruises. We are talking about traumatic brain injuries (TBI), spinal cord paralysis, and permanent growth plate destruction.

A trampoline bed is an energy storage device. It stores elastic potential energy and redirects it with massive force. When a 200-pound adult lands on the same bed where a 60-pound child from City of Farmers Branch is pushing off, the energy transfer can multiply the child’s launch force by up to 4x. The child isn’t jumping anymore; they are being launched like a projectile. This mechanism, known as a double-bounce, is responsible for some of the most catastrophic orthopedic injuries we see in pediatric patients.

Most personal injury firms treat these as simple fall cases. We don’t. We know that roughly 1.6% of all pediatric emergency department trauma visits are now trampoline-related. We study the current medical literature, such as the Teague et al. 2024 study in Pediatrics, which found foam pit injury rates of 1.91 per 1,000 jumper-hours. We cite the 2024 American Journal of Roentgenology radiographic essay that documents “Pediatric Trampoline Injuries Head to Toe,” including vertebral artery dissections and atlanto-axial subluxations that most ER doctors might initially misdiagnose. If your family is dealing with the aftermath of an injury at a park serving City of Farmers Branch, you need a firm that knows the medicine as well as it knows the law.

Why the Kiosk Waiver Doesn’t End Your Case

The first thing every manager at a park in City of Farmers Branch will do after an injury is point to the iPad you signed at the front desk. They want you to believe that the waiver is an impenetrable wall. It isn’t. In Texas, a waiver is a speed bump, not a dead end. We run every Farmers Branch trampoline waiver through a five-vector attack.

First, no state in America, including Texas, enforces a waiver for gross negligence. If a park in City of Farmers Branch consciously disregarded safety standards—like ignoring a tear in a trampoline slide or staffing a court with a single monitor when forty kids are jumping—the waiver fails. This is exactly what happened in Harris County in the Cosmic Jump case. A sixteen-year-old fell through a rip in a slide onto a concrete floor and suffered a traumatic brain injury. The jury ignored the signed waiver and awarded $11.485 million, including $6 million in punitive damages.

Second, Texas follows the Munoz v. II Jaz Inc. doctrine. In City of Farmers Branch and across the state, a parent generally cannot sign away their minor child’s right to sue for personal injuries. Your signature might bar your own claims for medical bills, but it does not kill your child’s claim for their pain, suffering, and lifelong impairment.

Third, we attack the conspicuousness of the waiver. Under the Dresser Industries v. Page Petroleum “fair notice” rule, a release of negligence must be bold, large, and distinctly visible. If the waiver you signed in City of Farmers Branch was buried in a twenty-page scroll on a tablet, it may be legally void. Our team also includes Lupe Peña, an attorney who used to work on the defense side. He used to write and defend these exact waivers for insurance companies. He knows where the holes are because he used to try to plug them. Now, he uses that “insider” playbook to help families in City of Farmers Branch dismantle the park’s defense.

The Corporate Stack: Who Is Really Responsible?

“Sky Zone” or “Urban Air” isn’t just one company in City of Farmers Branch. It is a five-layer corporate stack designed to hide the money and shield the decision-makers. When we file a lawsuit, we go upstream to find the deep pockets. The local operator LLC at a park in City of Farmers Branch is usually undercapitalized by design. Above them is the franchisee company, followed by the franchisor (like Sky Zone Franchising LLC or UATP Management), the parent conglomerate (Sky Zone, Inc. or Unleashed Brands), and finally the private equity sponsor.

We look for the decisions made in corporate boardrooms that produced the injury in City of Farmers Branch. Was the monitor-to-jumper ratio cut to hit a quarterly margin target set by a private equity firm? Was a foam pit refill deferred because it cost too much capital? The insurance industry knows we look for these answers. They will tell you “the policy limit is $1 million.” We hear “the primary policy is $1 million.” We then find the umbrella layers, the excess towers, and the franchisor’s “additional insured” coverage. Your child’s recovery shouldn’t be limited by a corporate structure designed to fail.

Common Accident Mechanisms at Parks Serving City of Farmers Branch

Every attraction at a jump center has a specific way it maims. We identify the mechanism, the physics, and the standard that was breached.

Double-Bounce Collisions

This is the signature trampoline park injury. It happens when a heavier jumper’s landing energy is transferred to a smaller jumper. In City of Farmers Branch, if an attendant isn’t separating jumpers by age or size, they are in direct violation of ASTM F2970—the industry’s own safety standard. Our biomechanical experts can model the energy transfer that launches a child with up to 4x their initial speed, leading to comminuted femur fractures and cervical cord contusions.

Foam Pit and Airbag Failures

Foam pits look soft, but they are often depth-traps. If the foam hasn’t been rotated or replaced, it compacts. A jumper from City of Farmers Branch entering head-first hits the hard floor beneath. This is the mechanism that caused Ty Thomasson’s death at SkyPark Phoenix—the foam was only 2 feet 8 inches deep when 6 feet were recommended. We check the maintenance logs to see if the park in City of Farmers Branch was pencil-whipping their daily inspections.

Sky Rider and Harness Failures

Urban Air parks, like those near City of Farmers Branch, often feature the Sky Rider or indoor ziplines. There is a documented chain-wide pattern of strangulation by harness cords and falls from height. In Sugar Land, the Lakhani family’s 14-year-old daughter fell 30 feet from a climbing wall because an attendant never attached the fall-protection equipment. We look for similar patterns of harness neglect and design defects across every location in the chain’s footprint.

Wall Trampoline and Surface Strikes

When padding wears thin or springs are exposed, a jumper can strike the metal frame or the concrete subfloor. These “spring strike” injuries cause open fractures and compartment syndrome—an orthopedic emergency where pressure builds in the leg until muscle and nerve tissue die. We move fast to photograph the equipment in its “as-found” state before the park in City of Farmers Branch can repair it.

Extreme-Exertion Rhabdomyolysis: The Under-Reported Emergency

Parents in City of Farmers Branch need to be aware of a secondary medical emergency that doesn’t happen on the court, but in the hours following the visit. It’s called rhabdomyolysis. If your child jumps for two hours in a heated indoor park with inadequate hydration, their muscle tissue can literally rupture. When muscle cells break down, they release a protein called myoglobin into the blood.

In high enough concentrations, myoglobin shuts down the kidneys. If your child returns home to City of Farmers Branch and has dark, cola-colored urine, extreme muscle pain, or confusion 12 to 48 hours later—get them to an emergency room immediately. We currently litigate a $10 million lawsuit against the University of Houston involving rhabdomyolysis. We have the medical experts and the litigation architecture to prove that the park’s failure to provide hydration and monitor for exhaustion was the direct cause of your child’s renal failure.

48-Hour Evidence Protocol: The Clock Is Ticking in Farmers Branch

Evidence in a trampoline park case is engineered to disappear. If you wait until you feel “better” to call a lawyer, the case might already be lost.

  • Surveillance Overwrite: Most DVR systems at parks near City of Farmers Branch overwrite footage every 7 to 30 days. Some purge even faster.
  • Waiver Purge: The database that stores the version of the waiver you signed may rotate its logs every few days.
  • Incident Reports: We know from public reviews that some parks, like the Urban Air in Southlake, were reportedly instructed not to call 911 and to down-play injuries. The “final” incident report produced months from now is often a sanitized revision of the one written the night of the accident.

We send our spoliation letters within 24 hours of being retained. We demand the DVR hard drive, the access logs showing who viewed the video, and the original metadata of the incident report. If the park in City of Farmers Branch tells us the video “glitched” or “wasn’t working,” we don’t take their word for it. We retain digital forensic examiners to interrogate the DVR. In one Georgia case, a jury awarded $3.5 million because the park’s video glitched on four cameras simultaneously at the moment of injury. Jurors do not like evidence that disappears.

Pediatric Catastrophic Injuries: A Lifetime Picture

A broken bone in an eight-year-old from City of Farmers Branch is not a simple injury. It is a potential lifelong impairment. Children’s bones contain growth plates (physes). A Salter-Harris fracture through that plate can stop bone growth or cause the limb to grow crooked. This may not manifest as a visible deformity until the child hits a growth spurt years later.

We build our cases around a Pediatric Life-Care Plan. We don’t just calculate today’s hospital bill. We work with pediatric orthopedic surgeons and life-care planners to forecast the next 60 or 70 years of your child’s needs. If a nine-year-old in City of Farmers Branch suffers a traumatic brain injury, that affects their brain development, their educational path, and their lifetime earning capacity. Our forensic economists quantify that loss into the millions of dollars. The insurance company’s adjuster will offer a “quick” $5,000 settlement to cover your deductible. We fight for the $5 million that covers your child’s future.

Why Choose Attorney911 for a Farmers Branch Injury?

We are the firm that knows the industry better than the operators do. Most personal injury lawyers handle one trampoline case every five years. We’ve built our authority on mastering ASTM F2970 and F381. We pair those voluntary American standards with mandatory international standards like EN ISO 23659:2022 to show that City of Farmers Branch parks are operating below global safety floors.

One of our massive advantages is Lupe Peña. Having an attorney on your side who used to defend the insurance carriers is like having the opposing team’s playbook before the game starts. He knows how the adjuster is going to try to blame your parenting. He knows which “Independent Medical Examination” doctors are paid to minimize your child’s injury. He recognizes a “surveillance glitch” for what it truly is: spoliation.

We are also a bilingual firm. Houston and City of Farmers Branch have deep Hispanic populations, and parks often market in Spanish but only provide waivers in English. Under the Delfingen US-Texas doctrine, an English-only waiver presented to a Spanish-primary speaker may be unenforceable. Lupe Peña speaks with our clients directly, ensuring nothing is lost in translation when you’re fighting for your family.

Frequently Asked Questions for City of Farmers Branch Families

Can I sue if I signed the waiver at the park?

Yes. As we have discussed, waivers in Texas do not cover gross negligence and often cannot bind a minor child’s direct claim. If the park in City of Farmers Branch violated safety standards, the waiver is likely not a shield against your lawsuit.

What should I do if the park refused to call 911?

This is a common and disturbing industry pattern. If the park refused to help, you should make the call yourself and then immediately document that the staff refused assistance. That refusal is admission-grade evidence of conscious indifference to your child’s safety.

How much does it cost to hire Attorney911?

Nothing upfront. We work on a contingency fee—no fee unless we win. We advance all the investigation costs, including the biomechanical engineers and medical experts your case for a Farmers Branch injury requires. Your recovery fund stays intact while we fight.

My child’s injury doesn’t look bad now, but the pain is constant. Should I wait?

No. Pediatric injuries, especially growth plate fractures, can hide their true severity for months or years. Waiting for symptoms to “get worse” usually means waiting until the evidence at the park in City of Farmers Branch has been destroyed. Call us now to preserve your rights.

Should I take the “Med-Pay” check the insurance adjuster is offering?

The $3,000 or $5,000 check they call “goodwill” is a Trojan horse. The fine print on the back of that check or in the accompanying letter usually acts as a full release of all your claims. Never deposit a check from a park’s insurer before your lawyer reads the terms.

Is Urban Air or Sky Zone parent company liable?

Yes. We use the Collins v. Urban Air $15.6M award as a precedent. The franchisor (UATP Management) was hit with 40% of that award because they retained control over safety and training. They don’t get to hide behind a local LLC in Farmers Branch.

What if I’m not a U.S. citizen?

Your immigration status has zero impact on your child’s right to recover for an injury. Communication with our firm is privileged and confidential. We are not government agents; we are your advocates.

Start Your Fight Today in City of Farmers Branch

What happened to your child at an indoor park wasn’t bad luck—it was the output of a system that puts price-per-jump above pediatric safety. While you are at the hospital, the park’s risk management team is already building a case against you. Don’t give them a head start.

Your child’s case is decided by what we preserve this week. The DVR overwrites in 7 to 30 days. The incident report gets revised. The foam pit refills. Call 1-888-ATTY-911. Speak with Lupe Peña or Ralph Manginello directly. Hablamos Español. No fee unless we win. Our spoliation letter goes out within 24 hours of your call. The case for justice in City of Farmers Branch starts now.

1-888-ATTY-911 (1-888-288-9911)
Attorney911 / The Manginello Law Firm, PLLC
Houston · Austin · Beaumont · Serving City of Farmers Branch Families

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