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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   DIKER MANAGEMENT LLC 2. Date of Event Requiring Statement (Month/Day/Year) 10/30/2009 3. Issuer Name and Ticker or Trading Symbol ENERGY FOCUS, INC/DE [EFOI] (Last) (First) (Middle) 745 FIFTH AVENUE, SUITE 1409 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 Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10151 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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, $0.0001 par value (the "Common Stock") 2,907,108 (1) I See remarks

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DIKER MANAGEMENT LLC 745 FIFTH AVENUE SUITE 1409 NEW YORK, NY 10151	Â	  X	Â	Â

Signatures

/s/ C. Diker		11/12/2009
**Signature of Reporting Person		Date
/s/ M. Diker		11/12/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The shares of Common Stock to which this line refers are held indirectly by Diker Management, LLC (the "Reporting Person"),in its capacity as the registered investment adviser of certain managed accounts and funds. The Reporting Person is a registered investment adviser and as such disclaims all beneficial ownership of these shares and in any case disclaims beneficial ownership of these shares except to the extent of the Reporting Person's pecuniary interest in the shares of Common Stock. The Reporting Person is a registered investment adviser but has elected to file this Form 3 nevertheless. The purchase of 1,453,554 of the shares of Common Stock to which this line referes is subject to the conditions subsequent set forth in the letter agreement disclosed in the Schedule 13D filed by the Reporting Person on November 12, 2009.

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