SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* TANG KEVIN C (Last) (First) (Middle) 4747 EXECUTIVE DRIVE SUITE 510 (Street) SAN DIEGO CA 92121 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/23/2014	3. Issuer Name and Ticker or Trading Symbol LA JOLLA PHARMACEUTICAL CO [ LJPC ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,699,067	I(1)	By LP(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series C-1(2) Convertible Preferred Stock	01/19/2012(2)	(3)	Common Stock	6,167,289	(4)	I(1)	By LP(1)

1. Name and Address of Reporting Person* TANG KEVIN C (Last) (First) (Middle) 4747 EXECUTIVE DRIVE SUITE 510 (Street) SAN DIEGO CA 92121 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TANG CAPITAL MANAGEMENT LLC (Last) (First) (Middle) 4747 EXECUTIVE DRIVE SUITE 510 (Street) SAN DIEGO CA 92121 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TANG CAPITAL PARTNERS LP (Last) (First) (Middle) 4747 EXECUTIVE DRIVE SUITE 510 (Street) SAN DIEGO CA 92121 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The securities are beneficially owned by Tang Capital Partners, LP ("TCP"). Kevin C. Tang is the sole manager of Tang Capital Management, LLC, which is the general partner of TCP. Mr. Tang disclaims beneficial ownership of the securities, except to the extent of his pecuniary interest therein.

2. The Series C-1(2) Convertible Preferred Stock (the "Series C Stock") can only be converted into Common Stock to the extent that, after such conversion, the holder would beneficially own no more than 9.999% of the issuer's Common Stock. As such, none of the Series C Stock reported herein is currently convertible into the issuer's Common Stock.

3. The Series C Stock has no expiration date.

4. Each share of Series C Stock is convertible into the issuer's Common Stock at a rate of 1,724 shares of Common Stock for each share of Series C Stock tendered for conversion.

Remarks:

	/s/ Kevin C. Tang	08/04/2014
	/s/ Kevin C. Tang, Managing Member	08/04/2014
	/s/ Kevin C. Tang, Managing Member of Tang Capital Management LLC, General Partner	08/04/2014
	** Signature of Reporting Person	Date
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