On October 29, 2009, Pharmacyclics, Inc., a Delaware corporation (the "Registrant"), issued a press release regarding its financial results for its first quarter of fiscal 2010. A copy of the press release is attached as Exhibit 99.1.

The foregoing description is qualified in its entirety by reference to the Registrant's Press Release dated October 29, 2009, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference.

The information in this Current Report on Form 8-K, including the exhibit hereto, shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities thereof, nor shall it be deemed to be incorporated by reference into future filings by the Company under the Exchange Act or under the Securities Act of 1933, as amended, except to the extent specifically provided in any such filing.

(d) Exhibits

           Exhibit  No. Description

           99.1         Press Release of Pharmacyclics, Inc. dated October 29, 2009.
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