13D Filing: Tang Capital Partners LP and La Jolla Pharmaceutical Co (LJPC)

CUSIP NO. 503459604

1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Tang Capital Partners, LP
2.	Check the Appropriate Box if a Member of a Group (a) ¨ (b) ý
3.	SEC Use Only
4.	Source of Funds WC
5.	Check If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or 2(e) o
6.	Citizenship or Place of Organization Delaware
Number of Shares Beneficially Owned by Each Reporting Person With		7.	Sole Voting Power 0
		8.	Shared Voting Power 3,620,419
		9.	Sole Dispositive Power 0
		10.	Shared Dispositive Power 3,620,419
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,620,419
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares ¨
13.	Percent of Class Represented by Amount in Row (11) 16.3%
14	Type of Reporting Person PN

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