A complete answer to this question depends on where you live. IF you are in a city with a federal court library or, lucky you, in a city where a Ninth Circuit Court of Appeals Library is located, you may have a few other options.
You may also have access to the U.S. Court of Appeals for the Ninth Circuit (official name) briefs that are available on Westlaw or Lexis.
In time the briefs may appear on PACER (and a few may be there now, but I’ve not ever seen one there myself).
But for my Oregon readers, here’s the latest on where to find 9th Circuit Court of Appeals briefs, all print sources:
1) ABCNY Library (Assoc Bar City of NY)
2) University of Washington School of Law:
a) Reference 206-543-6794
b) Copy and Send service: 206-616-2370
3) See also:
a) PRIVATE COMPANIES in Bay Area: charge and copy
b) FEDERAL COURT RECORDS UNIT: 415-355-7820 (absolute last resort – official – very pricey and time consuming)
NOTE: For other court’s briefs, here’s a great place to begin your search, if you don’t have a law librarian you can ask (!):
From LLRX – Free and Fee Based Appellate Court Briefs Online, by Michael Whiteman, Published on September 18, 2005 (updated September 17, 2006 and September 28, 2007)