1.
The declining use of patent oppositions
Helfgott, Samson, author.
[Heidelberg, Germany] : [Springer], 1985.
English | 34 DE |
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2.
Genuine unauthorised goods
Helfgott, Samson, author.
London, England : Sweet & Maxwell, 1986.
German | 10 GB |
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3.
The practitioner's guide to the PCT
Erstling, Jay A., author. ; Helfgott, Samson, author. ; Reed, T. David, 1961- author. ; A[...]
Chicago, Illinois : American Bar Association, Section of Intellectual Property Law, [2013]
English | G 173 ERS.P |
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4.
Selecting foreign countries for patent coverage
Helfgott, Samson, author.
Buffalo, New York : The Patent and Trademark Office Society, 1986.
Danish | 47 US |
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5.
Statistical study of the Japanese Patent Office's handling of foreign patent applications
Helfgott, Samson, author.
[Place of publication not identified] : [publisher not identified], 1983.
English | 20 JP |
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6.
U.S. GATT/TRIPS approved provisions
Helfgott, Samson, author.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1995.
French | 2 JP |
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