Author (Year)	Definition of innovation
J. A. Allen (1966) [20]	Introduction of new products, processes or procedures to widespread use.
L. Biało? (1976) [21]	Introduction of new products and new technological process to production, and introduction of new organizational systems in order to achieve higher economic efficiency.
J. Bogdanienko (2004) [22]	Turning an invention intention into material reality; first application of a new idea in practice.
J. Brilman (2002) [23]	Application of a creative idea, which is a factor contributing to the development of a company and enabling it to meet challenges posed by competitors.
H. G. Burnett (1953) [24]	Every idea or thing that is new, as it is qualitatively different from the existing, well-known standards.
F. Damanpour (1991) [25]	Product, service, process, programme or device that is new to the organization adopting or implementing it.
P. F. Drucker (1992) [26]	A specific tool used by entrepreneurs in order to introduce changes giving rise to new economic activity or new services. Changes to product design, marking methods, prices and services offered to the customer, and changes to the organization and management methods.
Ch. Freeman (1982) [27]	The first commercial introduction (application) of a new product, process, system or device.
Ph. Kotler (1994) [28]	Goods, services or ideas which are perceived by someone as new.
E. Mansfield (1968) [29]	The first application of an invention.
Oslo Manual (2005) [30]	Introduction of a new or significantly improved product (goods or services); a new or significantly improved process; a new marketing method; or a new organizational method in terms of business practice, organization of the workplace or relationship with the external environment.
Z. Pietrasi?ski (1971) [31]	Changes deliberately introduced by man or designed by cyber systems, involving substitution of the existing state of affairs by another which has been positively evaluated in terms of specific criteria and which ultimately constitutes progress.
A. Pomykalski (2001) [32]	A process including all activities related to the creation of an idea, development of an invention, and its subsequent implementation in the form of a product or process.
E. M. Rogers (2003) [33]	Anything that is perceived by a person, or another entity adopting it, as new, regardless of the objective novelty of the idea or thing.