
Contents
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Novel Compounds Novel Compounds
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Obviousness Obviousness
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Selection Inventions Selection Inventions
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Selection Inventions in the European Patent Office Selection Inventions in the European Patent Office
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Selection Inventions in the United Kingdom Selection Inventions in the United Kingdom
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Selection from a Large Class Selection from a Large Class
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Selection from a Small Class Selection from a Small Class
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Selection from a Patent Disclosure Selection from a Patent Disclosure
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Optical Isomers Optical Isomers
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Grades of Purity Grades of Purity
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Overlapping Groups Overlapping Groups
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Disclaimers Disclaimers
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Over-Broad Disclaimers Over-Broad Disclaimers
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Compounds of Unknown Structure Compounds of Unknown Structure
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Fingerprint Claims Fingerprint Claims
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Product-by-Process Claims Product-by-Process Claims
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Polymeric Compounds Polymeric Compounds
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New Salt Forms New Salt Forms
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New Physical Forms New Physical Forms
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New Synthetic Processes New Synthetic Processes
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Analogy Processes Analogy Processes
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New Compositions and Mixtures New Compositions and Mixtures
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New Uses and New Application Processes New Uses and New Application Processes
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Cite
Abstract
This chapter considers the law governing the patentability of chemical inventions, including novel compounds, polymeric compounds, new salt forms, new physical forms, new synthetic processes, analogy processes, new compositions and mixtures, and new uses and new application processes. A novel compound, for instance, cannot be patented unless it is industrially applicable. Despite being new and useful, a compound may not be patentable if it is so close to the prior art that there is no inventive step involved in making it. For polymers, it is still possible to obtain new and patentable polymers using various kinds of modification, provided that these give useful and non-obvious results. If a group of compounds is new and inventive, then not only are claims to the compounds per se patentable, but also claims to the process for the preparation of the compounds, even if it is known as a method for making similar compounds.
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