Luca Technologies Inc - FORM S-1 - EX-23.3 - CONSENT OF EHRHARDT KEEFE STEINER & HOTTMAN PC - June 29, 2011

Attached files

file filename
S-1 - FORM S-1 - Luca Technologies Incds1.htm
EX-3.1 - AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF THE REGISTRANT - Luca Technologies Incdex31.htm
EX-3.3 - AMENDED AND RESTATED BYLAWS OF THE REGISTRANT - Luca Technologies Incdex33.htm
EX-4.5 - WARRANT TO PURCHASE SHARES OF COMMON STOCK - Luca Technologies Incdex45.htm
EX-4.4 - WARRANT TO PURCHASE SHARES OF COMMON STOCK - Luca Technologies Incdex44.htm
EX-4.7 - AMENDED AND RESTATED RIGHTS AGREEMENT - Luca Technologies Incdex47.htm
EX-4.6 - AMENDED AND RESTATED STOCKHOLDERS AGREEMENT - Luca Technologies Incdex46.htm
EX-4.2 - WARRANT TO PURCHASE SHARES OF SERIES B PREFERRED STOCK - Luca Technologies Incdex42.htm
EX-10.4 - FORM OF NONSTATUTORY STOCK OPTION AGREEMENT - Luca Technologies Incdex104.htm
EX-21.1 - SUBSIDIARIES OF THE REGISTRANT - Luca Technologies Incdex211.htm
EX-23.4 - CONSENT OF RYDER SCOTT COMPANY, L.P., INDEPENDENT PETROLEUM ENGINEERS - Luca Technologies Incdex234.htm
EX-10.1 - LOAN AND SECURITY AGREEMENT DATED APRIL 30, 2008 - Luca Technologies Incdex101.htm
EX-23.2 - CONSENT OF ERNST & YOUNG LLP - Luca Technologies Incdex232.htm
EX-10.6 - FORM OF EMPLOYEE PROPRIETARY INFORMATION AND INVENTIONS AGREEMENT - Luca Technologies Incdex106.htm
EX-10.2 - EMPLOYMENT LETTER - Luca Technologies Incdex102.htm
EX-10.5 - FORM OF INDEMNIFICATION AGREEMENT FOR OFFICERS AND DIRECTORS - Luca Technologies Incdex105.htm
EX-99.1 - REPORT OF INDEPENDENT PETROLEUM ENGINEERS, RYDER SCOTT COMPANY, L.P. - Luca Technologies Incdex991.htm
EX-10.3 - THIRD AMENDED AND RESTATED 2007 EQUITY INCENTIVE PLAN - Luca Technologies Incdex103.htm
EX-4.3 - WARRANT AMENDMENT BETWEEN THE REGISTRANT AND SILICON VALLEY BANK - Luca Technologies Incdex43.htm

EXHIBIT 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption “Experts” and to the use of our report dated April 13, 2009, in the Registration Statement on Form S-1 and related Prospectus of Luca Technologies Inc. dated June 29, 2011.

/s/ Ehrhardt Keefe Steiner & Hottman PC

Denver, Colorado

June 29, 2011