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   Author  Topic: Invalid phrases  (Read 760 times)
ljl1957
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Invalid phrases
« on: Nov 10th, 2007, 12:48pm »
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Since I am new to the patent "world".  Is the phrase  "and/or" valid?
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patentsusa
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Re: Invalid phrases
« Reply #1 on: Nov 10th, 2007, 11:25pm »
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Certainly not a good idea to put that in a patent claim.  It would be considered to be vague and indefinite.  Since each claim is an alternative, you can put different alternatives in different claims.
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Deepak Malhotra, JD, BSEE
Registered Patent Attorney
Malhotra Law Firm
www.patentsusa.com
ljl1957
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Re: Invalid phrases
« Reply #2 on: Nov 11th, 2007, 11:11pm »
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Thank you for your help.  Smiley
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