Legal liability in the context of "State of the art"

A duty (from "due" meaning "that which is owing"; Old French: deu, did, past participle of devoir; Latin: debere, debitum, whence "debt") is a commitment or expectation to perform some action in general or if certain circumstances arise. A duty may arise from a system of ethics or morality, especially in an honor culture. Many duties are created by law, sometimes including a codified punishment or liability for non-performance. Performing one's duty may require some sacrifice of self-interest.

A sense-of-duty is also a virtue or personality trait that characterizes someone who is diligent about fulfilling individual duties or who confidently knows their calling. A sense-of-duty can also come from a need to fulfill familial pressures and desires. This is typically seen in a militaristic or patriotic way. A distinction is commonly made between "positive duties", which a person must undertake, and "negative duties", which relate to actions from which a person must refrain. Michael Freeman notes that negative duties may be easier to fulfill as they do not require any action.

A tort is a civil wrong, other than breach of contract, that causes a claimant to suffer loss or harm, resulting in legal liability for the person who commits the tortious act. Tort law can be contrasted with criminal law, which deals with criminal wrongs that are punishable by the state. While criminal law aims to punish individuals who commit crimes, tort law aims to compensate individuals who suffer harm as a result of the actions of others. Some wrongful acts, such as assault and battery, can result in both a civil lawsuit and a criminal prosecution in countries where the civil and criminal legal systems are separate. Tort law may also be contrasted with contract law, which provides civil remedies after breach of a duty that arises from a contract. Obligations in both tort and criminal law are more fundamental and are imposed regardless of whether the parties have a contract.

While tort law in civil law jurisdictions largely derives from Roman law, common law jurisdictions derive their tort law from customary English tort law. In civil law jurisdictions based on civil codes, both contractual and tortious or delictual liability is typically outlined in a civil code based on Roman Law principles. Tort law is referred to as the law of delict in Scots and Roman Dutch law, and resembles tort law in common law jurisdictions in that rules regarding civil liability are established primarily by precedent and theory rather than an exhaustive code. However, like other civil law jurisdictions, the underlying principles are drawn from Roman law. A handful of jurisdictions have codified a mixture of common and civil law jurisprudence either due to their colonial past (e.g. Québec, St Lucia, Mauritius) or due to influence from multiple legal traditions when their civil codes were drafted (e.g. Mainland China, the Philippines, and Thailand). Furthermore, Israel essentially codifies common law provisions on tort.

Delict (from Latin dēlictum, past participle of dēlinquere ‘to be at fault, offend’) is a term in civil and mixed law jurisdictions whose exact meaning varies from jurisdiction to jurisdiction but is always centered on the notion of wrongful conduct.

In Scots and Roman Dutch law, it always refers to a tort, which can be defined as a civil wrong consisting of an intentional or negligent breach of duty of care that inflicts loss or harm and which triggers legal liability for the wrongdoer. Other civil wrongs include breach of contract and breach of trust. Liability is imposed on the basis of moral responsibility, i.e. a duty of care or to act, and fault (culpa) is the main element of liability. The term is similarly used in a handful of other English-speaking jurisdictions which derive their private law from French or Spanish law, such as Louisiana and the Philippines, but tort is the equivalent legal term used in common law jurisdictions and in general discussions of non-contractual liability.

A deed is a legal document that is signed and delivered, especially concerning the ownership of property or legal rights. Specifically, in common law, a deed is any legal instrument in writing which passes, affirms or confirms an interest, right, or property and that is signed, attested, delivered, and in some jurisdictions, sealed. It is commonly associated with transferring (conveyancing) title to property. The deed has a greater presumption of validity and is less rebuttable than an instrument signed by the party to the deed. A deed can be unilateral or bilateral. Deeds include conveyances, commissions, licenses, patents, diplomas, and conditionally powers of attorney if executed as deeds. The deed is the modern descendant of the medieval charter, and delivery is thought to symbolically replace the ancient ceremony of livery of seisin.

The traditional phrase signed, sealed and delivered refers to the practice of using seals; however, attesting witnesses have replaced seals to some extent. An agreement under seal may also be called a contract by deed or a specialty; in the United States, a specialty is enforceable without consideration. In some jurisdictions, specialties have a liability limitation period of double that of a simple contract and allow for a third party beneficiary to enforce an undertaking in the deed.

Limited liability is a legal status in which a person's financial liability is limited to a fixed sum, most commonly the value of a person's investment in a corporation, company, or joint venture. If a company that provides limited liability to its investors is sued, then the claimants are generally entitled to collect only against the assets of the company, not the assets of its shareholders or other investors. A shareholder in a corporation or limited liability company is not personally liable for any of the debts of the company, other than for the amount already invested in the company and for any unpaid amount on the shares in the company, if any—except under special and rare circumstances that permit "piercing the corporate veil." The same is true for the members of a limited liability partnership and the limited partners in a limited partnership. By contrast, sole proprietors and partners in general partnerships are each liable for all the debts of the business (unlimited liability).

Although a shareholder's liability for the company's actions is limited, the shareholders may still be liable for their own acts. For example, the directors of small companies (who are frequently also shareholders) are often required to give personal guarantees of the company's debts to those lending to the company. They will then be liable for those debts that the company cannot pay, although the other shareholders will not be so liable. This is known as co-signing. A shareholder who is also an employee of the corporation may be personally liable for actions the employee takes in that capacity on behalf of the corporation, in particular torts committed within the scope of employment.

In criminal law, culpability, or being culpable, is a measure of the degree to which an agent, such as a person, can be held morally or legally responsible for action and inaction. It has been noted that the word culpability "ordinarily has normative force, for in nonlegal English, a person is culpable only if he is justly to blame for his conduct". The guilt principle requires that in order to convict a person it is necessary to ascertain his voluntary or reckless behaviour, Strict Liability being prohibited.

Substantive law is the set of laws that governs how members of a society are to behave. It is contrasted with procedural law, which is the set of procedures for making, administering, and enforcing substantive law. Substantive law defines rights and responsibilities in civil law, and crimes and punishments in criminal law, substantive equality or substantive due process. It may be codified in statutes or exist through precedent in common law. Substantive laws, which govern outcomes, are contrasted with procedural laws, which govern procedure.

Henry Sumner Maine said of early law, "So great is the ascendency of the Law of Actions in the infancy of Courts of Justice, that substantive law has at first the look of being gradually secreted in the interstices of procedure; and the early lawyer can only see the law through the envelope of its technical forms."

A common carrier in common law countries (corresponding to a public carrier in some civil law systems, usually called simply a carrier) is a person or company that transports goods or people for any person or company and is responsible for any possible loss of the goods during transport. A common carrier offers its services to the general public under license or authority provided by a regulatory body, which has usually been granted "ministerial authority" by the legislation that created it. The regulatory body may create, interpret, and enforce its regulations upon the common carrier (subject to judicial review) with independence and finality as long as it acts within the bounds of the enabling legislation.

A common carrier (also called a public carrier in British English) is distinguished from a contract carrier, which is a carrier that transports goods for only a certain number of clients and that can refuse to transport goods for anyone else, and from a private carrier. A common carrier holds itself out to provide service to the general public without discrimination (to meet the needs of the regulator's quasi-judicial role of impartiality toward the public's interest) for the "public convenience and necessity." A common carrier must further demonstrate to the regulator that it is "fit, willing, and able" to provide those services for which it is granted authority. Common carriers typically transport persons or goods according to defined and published routes, time schedules, and rate tables upon the approval of regulators. Public airlines, railroads, bus lines, taxicab companies, phone companies, internet service providers, cruise ships, motor carriers (i.e., canal operating companies, trucking companies), and other freight companies generally operate as common carriers. Under US law, an ocean freight forwarder cannot act as a common carrier.

In a limited company, the liability of members or subscribers of the company is limited to what they have invested or guaranteed to the company. Limited companies may be limited by shares or by guarantee. In a company limited by shares, the liability of members is limited to the unpaid value of shares. In a company limited by guarantee, the liability of owners is limited to such amount as the owners may undertake to contribute to the assets of the company, in the event of being wound up. The former may be further divided in public companies (public limited companies) and private companies (private limited companies). Who may become a member of a private limited company is restricted by law and by the company's rules. In contrast, anyone may buy shares in a public limited company.

Limited companies can be found in most countries, although the detailed rules governing them vary widely. It is also common for a distinction to be made between the publicly tradable companies of the plc type (for example, the German Aktiengesellschaft (AG), Dutch and Belgian nv, British PLC, Czech a.s., Italian S.p.A., Hungarian nyrt. and the Spanish, French, Polish, Greek and Romanian S.A.), and the "private" types of companies (such as the German GmbH, Dutch and Belgian bv, Portuguese Lda., British Ltd, Japanese G.K., Polish sp. z o.o., Russian ООО, Ukrainian ТОВ (TOV), the Czech s.r.o., the French s.à r.l., the Italian s.r.l., Romanian s.r.l., Hungarian kft., Bulgarian ДОО (DOO), Slovenian d.o.o., and Slovak s.r.o., in India Pvt Ltd for private company and Ltd for public company, in Singapore Pte Ltd for private company).