Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement Nos. 333-94997,
333-52604, 333-119877, 333-145246 and 333-146661 on Form S-8 of our reports dated March 17, 2008
relating to (1) the consolidated financial statements and financial statement schedule of Immersion
Corporation (which report expresses an unqualified opinion and includes an explanatory paragraph
relating to the adoption of Financial Accounting Standards Board Interpretation No. 48, Accounting
for Uncertainty in Income Taxes an interpretation of Statement of Financial Accounting Standards
No. 109, effective January 1, 2007 and Statement of Financial Accounting Standards No. 123 (revised
2004), Share-Based Payment, effective January 1, 2006), and (2) the effectiveness of Immersion
Corporations internal control over financial reporting (which report expresses an adverse opinion
on the effectiveness of the Companys internal control over financial reporting because of a
material weakness), appearing in this Annual Report on Form 10-K of Immersion Corporation for the
year ended December 31, 2007.
/s/ Deloitte & Touche LLP
San Jose, California
March 17, 2008