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In the law of Patents, the presence of two pending applications, or an existing patent and a pending application that encompass an identical invention or discovery.

When interference exists, the Patent and Trademark Office conducts an investigation to ascertain the priority of invention between the conflicting applications, or the application and the patent. A patent is customarily granted to the earlier invention.


noun antagonism, antipathy, bar, barrier, censure, check, collision, conflict, contravention, damper, disapproval, disturbance, encumbrance, fetter, frustration, hindrance, impediment, imposition, interception, intercession, intermediacy, interruption, intervention, intrusion, invasion, meddling, nuisance, obstruction, onus, opposition, resistance, restraint, setback, stricture, stumbling block
Associated concepts: contempt, frustration of contract, interrerence with contractual relations
See also: bar, barrier, burden, check, collision, conflict, damper, deterrence, deterrent, disadvantage, dispute, embargo, encroachment, encumbrance, fetter, filibuster, frustration, handicap, hiatus, hindrance, impediment, imposition, infringement, intercession, interruption, intervention, intrusion, invasion, mediation, molestation, nuisance, obstruction, onus, opposition, prohibition, resistance, restraint, veto
References in periodicals archive ?
Thankfully, the sale of Protostar-1 after its bankruptcy solved the problem of interference from that particular satellite, but the overall problem of satellite interference persists on a global basis and, by some indicators, even worsening.
referred to as IVIT, advising Cardica for the first time of IVIT's effort to provoke an interference in the U.
This strategy would provide a means to detect future interferences resulting from changes in the formulation of additives in blood collection tubes.
Key words: interference visibility; Larmor precession; multilayer resonator; neutron spin echo; spin interference; tunnelling transmission; ultracold neutron anomaly; very cold neutrons.
PUNTA GORDA, FLORIDA-The Satellite Users Interference Reduction Group (SUIRG) has launched a new tool in its continuing quest to identify and mitigate the ever-growing problem of satellite interference.
Patent and Trademark Office against ACT and UMass in patent interference numbers 104,746 and 105,192.
Geron Corporation (Nasdaq:GERN) today announced the dismissal of appeals of two patent interference decisions pending before the U.
The invention which is the subject of the interferences uses a bridging probe or strand to find a nucleic acid of interest, such as a gene or pathogen sequence.
The company's streamlined approach to this type of work generates the information needed to avoid interferences between existing and new equipment.
Patent Office declare interferences between some of Geron's pending nuclear transfer patent applications and certain ACT patents because, in Geron's view, the technology covered by those patents was first invented at the Roslin Institute and was covered by the patent portfolio licensed to Geron.
The claims in this interference relate to a method of cloning animals by transferring the nucleus of a cell from the animal to be cloned into an enucleated oocyte (egg).
Under the terms of the settlement, National will assign to Ramtron two of National's current patent applications related to the patent interferences and National will retain two of the remaining applications.