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25 AIPLA Q. J. 333 (1997)
Enabling DNA and Protein Composition Claims: Why Claiming Biological Equivalents Encourages Innovation

handle is hein.journals/aiplaqj25 and id is 341 raw text is: AIPLA QUARTERLY JOURNAL

VOLUME 25, NUMBER 3           PAGE 333                  SUMMER 1997
ENABLING DNA AND PROTEIN COMPOSITION CLAIMS:
WHY CLAIMING BIOLOGICAL
EQUIVALENTS ENCOURAGES INNOVATION
Kenneth G. Chahine
I.     INTRODUCTION  .......................................... 334
II.    ENABLEMENT   ...........................  ............     337
A.     The Specification Must Enable One Skilled In The Art .... 339
B.     The Predictability Of The Art  ........................ 340
C.     The Quantity Of Experimentation Necessary ............ 341
D.     The Breadth Of The Claims .......................... 343
III.   C ASE  LAW   .............................................. 347
IV .   AN ALYSIS  .............................................. 354
A.     Skill In The Art, Examples And Guidance .............. 354
B.     Unpredictability And Experimentation Required ......... 357
C.     The Breadth Of The Claims  .......................... 363
V .    CONCLUSION   ........................................... 369
*© 1998 Kenneth G. Chahine. Mr. Chahine is the Director of Intellectual
Property at Avigen, Inc. in Alameda, CA. The author has a J.D. from the
University of Utah College of Law, a Ph.D. in Biological Chemistry from
the University of Michigan, and is a news and legal correspondent for the
journal Nature Biotechnology.  The author can be contacted at
chahine@avigen.com. The views expressed in this article are solely those
of the author.
The author thanks John Flynn, Dr. Susan Poulter, Rebecca
Eisenberg, Craig Metcalf, Mary Helen Sears, Dr. Eric Baude and Steve
Sayeedi for their helpful legal and scientific comments.

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