What is the difference between civil law and criminal law?
Civil law handles private disputes while criminal law covers offences against the state, and in common law systems the rules come mainly from judicial precedent.
Covers: This page explains the core distinctions between civil and criminal law, including who brings the case, the burden of proof, possible outcomes, and typical examples of each. It does not cover procedural rules in specific countries or the full range of legal systems worldwide.
Also answers: Civil law vs criminal law · Difference between civil and criminal law · What is civil law and criminal law? · Civil vs criminal cases
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The short answer
Evidence-backed AI-prepared starting mapCivil law and criminal law are the two main branches of law in common law systems such as England and Wales and the United States. Civil law covers private disputes — civil wrongs, quasi-contracts, contract law and property law (excluding property-related crimes such as theft or vandalism) — while criminal law deals with offences against the state. The two branches also differ in how they are made and applied: common law is developed largely through judicial decisions and precedent under the principle of stare decisis, rather than primarily through statutes.12
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Be the first to voteIn brief
In common law systems the rules are developed largely through judicial precedent under stare decisis, not primarily through statutes.2
Evidence-backedThe civil/criminal split shows up in everyday professional practice: among pharmacists in Poland, civil cases centred on reimbursement and prescriptions, while criminal cases were rarer but more varied.3
Evidence-backedThe two branches can be joined in one proceeding, as in China's criminal incidental civil public interest litigation, which creates known problems around sequencing, standards of proof and enforcement.4
Evidence-backedThe branch matters for how much uncertainty is tolerated: forensic alcohol calculations use a narrower percentile range for civil cases and a wider one for criminal cases.5
Evidence-backed
At a glance
The picture in numbers
Live · updated just now
- Civil cases43 cases
- Criminal cases19 cases
The evidence behind it
5 sources- Reviews of many studies1
- Other studies and data2
- Background2
Published in 2026
| Source | Kind | Year |
|---|---|---|
| Civil law (common law) (Wikipedia) | Background | Unknown |
| Common law (Wikipedia) | Background | Unknown |
| How Often Do Pharmacists End up in Court? Analysis of Civil and Criminal Case Law in Poland. | Other studies and data | 2026 |
| China's criminal incidental civil public interest litigation in food safety: practice review and pathways to improvement. | Reviews of many studies | 2026 |
| Assessing uncertainty in forensic alcohol calculations: The case for using percentile ranges. | Other studies and data | 2026 |
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What it means for you
Which fits you?
Pick the situation closest to yours. Each answer says what it rests on.
If you want a quick working definition of the two branches
treat civil law as the branch covering private disputes — civil wrongs, quasi-contracts, contracts and property (excluding property crimes) — and criminal law as the branch covering offences such as fraud, unlawful distribution and breaches of professional duty.13
Evidence-backedIf you are working in a common law jurisdiction and want to know where the rules come from
expect the law to be developed largely through judicial precedent under stare decisis, with judges choosing which precedents apply and able to set new precedent in a case of first impression.2
Evidence-backedIf you are assessing a professional-practice dispute such as a pharmacy matter
expect civil exposure to centre on reimbursement, prescription processing and regulatory compliance, and criminal exposure to be rarer but more varied, often arising from regulatory and organisational obligations rather than direct patient harm.3
Evidence-backedIf you are dealing with a case where criminal and civil liability are joined
watch for delayed repair caused by "criminal liability first, and then civil liability", uncertainty over standards of proof, unchecked discretion in punitive damages and weak enforcement.4
Evidence-backedIf you are presenting forensic alcohol calculations
use a percentile range matched to the case type — a 50% range for civil cases and a wider 95% or 99% range for criminal cases — rather than a population average.5
Evidence-backedThe full story · 2 chapters
01
The core distinction
AI summary:Civil law covers private matters like civil wrongs, contracts and property, while criminal law covers offences against the state, and common law rules grow mainly from precedent.
Evidence-backed: In common law legal systems, civil law is a major branch of law that stands in contrast to criminal law. It covers private law — matters relating to civil wrongs and quasi-contracts — as well as contract law and the law of property, excluding property-related crimes such as theft or vandalism. Criminal law, by contrast, is the branch concerned with offences of the kind illustrated in the sources: unlawful medicine distribution, reimbursement fraud, breaches of professional duties and other criminal offences.13
Evidence-backed: The two branches also differ in how the governing rules are made. Common law is primarily developed through judicial decisions rather than statutes; although it may incorporate certain statutes, it is largely based on precedent, and the presiding judge determines which precedents apply to each new case. Courts follow precedents established in earlier decisions under the principle of stare decisis, and where there is no precedent or clear legislative guidance — a "case of first impression" — judges may resolve the issue and establish a new precedent.2
In your view, which branch of law mainly deals with disputes between private parties, such as contracts and property?
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02
What each branch looks like in practice
AI summary:Examples from pharmacists in Poland, Chinese food-safety enforcement and forensic alcohol calculations show how the civil and criminal branches differ in practice.
Evidence-backed: A study of 146 judicial decisions involving pharmacists in Poland found 43 civil cases and 19 criminal cases, showing that legal proceedings in that profession are recurring rather than isolated. Civil cases were dominated by disputes over reimbursement claims, prescription processing and regulatory compliance, which accounted for over half of all analysed civil proceedings. Criminal cases were less frequent but more varied, covering unlawful medicine distribution, reimbursement fraud, breaches of professional duties and other offences. Most of these cases did not arise from direct patient harm but from regulatory, administrative and organisational obligations.3
Evidence-backed: In Chinese food-safety enforcement, criminal and civil liability can be joined in a single "criminal incidental civil public interest litigation". Analysis of this practice identifies problems: public-interest repair is delayed by rigid adherence to the principle of "criminal liability first, and then civil liability"; uncertainty arises over applicable standards of proof because civil adjudication relies heavily on criminal proceedings; judicial discretion in awarding punitive damages is unchecked; judgments are not effectively enforced; and regulatory oversight is inadequate. The proposed response is a more flexible trial model oriented toward repair, clearer distinctions between criminal and civil standards of proof, and refined rules on punitive damages.4
Evidence-backed: The difference in standards of proof between the two branches has practical consequences. In forensic alcohol calculations, the recommended percentile range depends on whether the case is civil or criminal: for civil cases a 50% range (25th to 75th percentiles) is suggested, while for criminal cases a wider 99% range (0.5th to 99.5th percentiles) or 95% range (2.5th to 97.5th percentiles) is suggested, depending on how much data is available. The authors argue this better reflects the underlying uncertainty in a specific case than using a population average.5
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Civil law governs private disputes — civil wrongs, quasi-contracts, contracts and property (excluding property crimes) — while criminal law deals with offences such as fraud, unlawful distribution and breaches of professional duty.
In common law systems the rules are developed largely through judicial precedent under stare decisis, not primarily through statutes.
The civil/criminal split shows up in everyday professional practice: among pharmacists in Poland, civil cases centred on reimbursement and prescriptions, while criminal cases were rarer but more varied.
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- 1Civil law (common law) (Wikipedia)WikipediaPublished Sep 29, 2026Checked Oct 11, 2026
“Civil law is a major "branch of the law", in common law legal systems including those in England and Wales and in the United States, where it stands in contrast to criminal law. Private law, which relates to civil wrongs and quasi-contracts, is part of civil law, as is contract law and law of property (excluding property-related crimes, such as theft or vandalism).”
- 2Common law (Wikipedia)WikipediaPublished Oct 10, 2026Checked Oct 11, 2026
“Common law is the body of law primarily developed through judicial decisions rather than statutes. Although common law may incorporate certain statutes, it is largely based on precedent—judicial rulings made in previous similar cases. The presiding judge determines which precedents to apply in deciding each new case. Common law is deeply rooted in the principle of stare decisis ("to stand by [things] decided"), where courts follow precedents established by previous decisions. When a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision. However, in a "case of first impression" with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish a new precedent. The common law, so named because it was common to all the king's courts across England, originated in the practices of the courts of the English kings in the centuries following the Norman Conquest in 1066. It established a unified legal system, gradually supplanting the local folk courts and manorial courts.”
- 3How Often Do Pharmacists End up in Court? Analysis of Civil and Criminal Case Law in Poland.Healthcare (Basel, Switzerland) (Merks et al.)Published Sep 5, 2026Checked Oct 11, 2026
“A total of 146 judicial decisions involving pharmacists were identified and analyzed, including 43 civil cases and 19 criminal cases. The findings demonstrate that legal proceedings involving pharmacists are not isolated events but represent a recurring phenomenon within professional practice. Civil cases were dominated by disputes related to reimbursement claims, prescription processing, and regulatory compliance, accounting for over half of all analyzed civil proceedings. In contrast, criminal cases were less frequent but displayed substantial heterogeneity, including unlawful medicine distribution, reimbursement fraud, breaches of professional duties, and other criminal offences. Published case law demonstrates the recurrent presence and considerable diversity of legal proceedings involving pharmacists. Most cases do not arise from direct patient harm but rather from regulatory, administrative, and organizational obligations associated with pharmacy practice. Civil proceedings are predominantly linked to reimbursement and prescription-related disputes, whereas criminal cases are less common but more diverse in nature.”
- 4China's criminal incidental civil public interest litigation in food safety: practice review and pathways to improvement.Frontiers in nutrition (Han & Li)Published Jun 10, 2026Checked Oct 11, 2026
“Second, public interest repair is delayed by the rigid adherence to the principle of "criminal liability first, and then civil liability." Third, uncertainty regarding the applicable standards of proof arises because civil adjudication heavily relies on criminal proceedings. Furthermore, judicial discretion is unchecked in the application of punitive damages, judgments are not effectively enforced, and regulatory oversight is inadequate.DiscussionIn light of the forthcoming Public Interest Litigation Law of the People's Republic of China, it is imperative to establish a flexible trial model oriented toward repair, to clarify the distinctions between criminal and civil standards of proof, and to further refine the rules governing the discretion and administration of punitive damages. The efficiency and effectiveness of this system can be enhanced by strengthening the procedural framework for criminal incidental civil public interest litigation, thereby contributing to comprehensive governance that integrates punishment, prevention, and repair in safeguarding food safety.”
- 5Assessing uncertainty in forensic alcohol calculations: The case for using percentile ranges.Journal of forensic sciences (Maskell et al.)Published Apr 19, 2026Checked Oct 11, 2026
“These parameters are volume of distribution (Vd) and elimination rate of alcohol (β). To date, there has been a lack of a transparent and defensible framework for using percentile ranges in forensic alcohol calculations. This work uses simulated data and statistical principles to demonstrate both why and what percentile ranges should be used in forensic alcohol calculations. We recommend that the percentile range used should depend on the case type (civil vs. criminal) and the amount of data available. The percentile ranges should be determined from an appropriate population using bootstrapping to estimate the relevant percentile with a two-tailed 95% confidence interval: for civil cases (25th and 75th percentiles; 50% range) and for criminal cases (0.5th and 99.5th percentiles; 99% range or 2.5th and 97.5th percentiles; 95% range) depending on the amount of data available. Using relevant percentile ranges produces results that better reflect the underlying uncertainty in a specific case than using a population average when carrying out forensic alcohol calculations.”
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Open questions
Who initiates a civil case versus a criminal case, and how does that shape the process and the possible outcomes?
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What exactly are the civil and criminal standards of proof, and how do courts keep them distinct when the same facts are litigated in both?
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What remedies and penalties typically follow from each branch — damages and orders in civil cases, fines and imprisonment in criminal cases?
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How do these distinctions work outside common law systems, for example in continental civil law jurisdictions?
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