
In personal injury law, negligence is the foundation of most claims. It means someone failed to act with reasonable care, and that failure caused another person harm. Understanding what negligence means and how it’s proven is key to recovering compensation after an accident in Pennsylvania.
Negligence can happen anywhere from a busy highway to a hospital room, and it often leads to serious injuries, property damage, and financial losses.
What Is Negligence?

Negligence occurs when a person or company fails to act as a reasonable person would under the same circumstances, and this lack of care leads to an accident or injury.
To win a negligence case, the injured party (the plaintiff) must prove four key elements:
- Duty of care: The defendant had a legal obligation to act with reasonable care.
- Breach of duty: The defendant failed to meet that obligation.
- Causation: The defendant’s actions directly caused the injury.
- Damages: The plaintiff suffered actual harm or financial loss.
For example, every driver has a duty to follow traffic laws and drive safely. If a driver texts behind the wheel, causes a crash, and someone gets hurt, that driver has breached their duty of care and may be liable for negligence.
Common Examples of Negligence
Negligence takes many forms, depending on the setting and situation.
Some of the most common examples include:
- Car accidents: Distracted, speeding, or impaired drivers cause collisions.
- Slip and fall incidents: Property owners fail to clean up spills or fix hazards.
- Medical malpractice: Doctors make preventable errors during treatment or diagnosis.
- Workplace accidents: Employers ignore safety regulations or fail to provide training.
- Defective products: Manufacturers release unsafe products without proper testing or warnings.
Each of these situations involves someone failing to act responsibly and causing harm as a result.
The Reasonable Person Standard
Courts use the reasonable person standard to decide whether someone acted negligently. This means comparing the defendant’s behavior to what an ordinary, careful person would have done in the same situation.
For example, a reasonable driver would slow down in the rain and keep both hands on the wheel. A driver who speeds or checks their phone in those conditions would likely be considered negligent.
The standard doesn’t require perfection; it requires ordinary care and caution under the circumstances.
Negligence vs. Gross Negligence
Negligence is often unintentional, but gross negligence goes a step further. It means the person acted with reckless disregard for others’ safety.
For instance, running a red light may be ordinary negligence, whereas driving 90 miles per hour through a school zone could be considered gross negligence.
Gross negligence can result in higher compensation or punitive damages because it shows a severe lack of concern for others.
How Comparative Negligence Works in Pennsylvania
Pennsylvania follows a modified comparative negligence rule. This means you can still recover damages even if you were partly at fault for your accident if you were less than 51% responsible.
Your total recovery is reduced by your percentage of fault.
For example:
- If you were 20% at fault and your total damages were $100,000, you could still recover $80,000.
- If you were 55% at fault, you would not be entitled to compensation.
This rule encourages fairness by holding each party accountable for their share of responsibility.
Proving Negligence
To prove negligence, the injured party must present strong evidence that connects the defendant’s behavior to their injury.
Helpful forms of evidence include:
- Police or accident reports
- Eyewitness statements
- Photos or videos of the scene
- Medical records showing the cause of injury
- Expert testimony from doctors or accident reconstruction specialists
- Employment or safety logs, when applicable
The more evidence you have, the easier it is to establish fault and show that the defendant’s negligence caused your losses.
Damages Available in Negligence Claims
If negligence is proven, the injured person may recover compensation for:
- Medical expenses: Emergency care, surgeries, rehabilitation, and future treatment
- Lost wages: Income lost while recovering from injuries
- Loss of earning capacity: Reduced ability to earn income in the future
- Property damage: Repair or replacement of vehicles and other damaged property
- Pain and suffering: Physical discomfort and emotional distress
- Out-of-pocket costs: Travel expenses, home modifications, or caregiving services
All of these losses fall into two main categories: economic (financial) and non-economic (emotional or psychological).
Negligence and the Statute of Limitations
In Pennsylvania, the statute of limitations for filing a personal injury claim is two years from the date of the accident. Acting quickly allows your attorney to gather evidence while it’s still fresh and ensures your claim is filed on time.
How a Lawyer Proves Negligence
An experienced attorney can help build a strong case by:
- Investigating the cause of the accident
- Collecting and preserving evidence
- Consulting with medical and technical experts
- Negotiating with insurance companies
- Filing a lawsuit if settlement talks fail
Since negligence is often the most contested issue in an injury claim, having legal representation can make a major difference in the outcome.
Contact McDonald & MacGregor, LLC for a Free Consultation
Negligence is at the heart of nearly every personal injury case, and understanding how it works is essential to protecting your rights. Proving negligence requires more than just showing you were hurt—it means establishing that someone else’s carelessness directly caused your injuries and losses.
At McDonald & MacGregor, LLC, our experienced personal injury attorneys know how to uncover the truth, hold negligent parties accountable, and pursue the maximum compensation you deserve. If you’ve been injured because of someone else’s negligence, don’t wait—contact us at (570) 209-7062 today for a free consultation to discuss your case and learn how we can help you move forward.
