Questions tagged [preliminary]
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2 questions
0 votes
0 answers
32 views
Is my Grandfathers patent 243095 expired? Can heirs still claim it? Who was Commisioner of patents 1947?
It was application 725139. Lawyers were Clarence O'brien and Harvey Jacobson.
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1 vote
2 answers
166 views
Is it worth it to apply for a preliminary examination in a PCT process?
How does a preliminary examination report help in the PCT and patenting process? What are the consequences and advantages of international preliminary examination? Is it worth it in terms of time and ...
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