IPR

IPR may refer to:

Law

• Intellectual property rights
• Inter partes review, US procedure for challenging patents

Media

• Independent Public Radio network, Minnesota, US
• Indie Press Revolution, a sales network for role-playing games
• WBST (Indiana Public Radio), a public radio network in east central Indiana
• Interlochen Public Radio, Michigan, United States
• Iowa Public Radio, US

Organisations

• Institute for Plasma Research, India
• Institute of Pacific Relations (1925–1960)
• Institute for Policy Research and Catholic Studies, Washington, DC
• Institute for Public Relations, University of Florida
• Northwestern University Institute for Policy Research, Evanston, IL
• Mikael Ter-Mikaelian Institute for Physical Research, Armenia
• Prague Institute of Planning and Development, Czech Republic

Science and mathematics

• Indirect potable reuse of reclaimed water
• Interproximal reduction, an orthodontic treatment
• Inverse Participation Ratio, measure of localization or purity of a quantum mechanical state

Chemistry

• i-Pr or ⁱPr, abbreviations for the isopropyl group in organic chemistry
• IPr, an N-heterocyclic carbene, see IMes

Others

• Indicação de Proveniência Regulamentada (Indication of Regulated Origin), Portuguese wine designation