ANTIGENICS INC /DE/ S-1

S-1

ANTIGENICS, INC.

EX-3.1

CERTIFICATE OF INCORPORATION

EX-3.2

BY-LAWS OF ANTIGENICS, INC.

EX-4.1

FORM OF COMMON STOCK CERTIFICATE

EX-10.1

1999 EQUITY INCENTIVE PLAN

EX-10.2

1999 EMPLOYEE STOCK PURCHASE PLAN

EX-10.3

FOUNDING SCIENTISTS' AGREEMENT

EX-10.4

FORM OF INDEMNIFICATION AGREEMENT

EX-10.5

LEASE AGREEMENT DATED 28-MAY-1998,AMENDED 1-DEC-98

EX-10.6

LICENSE AGREEMENT DATED 12-NOV-1998

EX-10.7

MASTER LOAN AND SECURITY AGREEMENT

EX-10.8

PATENT LICENSE AGREEMENT

EX-10.9

SPONSERED RESEARCH & TECHNOLOGY LICENSE AGREEMENT

EX-10.10

RESEARCH AGREEMENT

EX-10.11

LICENSE AGREEMENT (DUKE UNIVERSITY) MARCH 4, 1999

EX-10.12

LICENSE AGREEMENT (UNIVERSITY OF MIAMI)12-APR-1999

EX-10.13

LETTER AGREEMENT 3-JUN-1998

EX-10.14

LETTER AGREEMENT 15-NOV-1999

EX-10.16

EMPLOYMENT AGREEMENT WITH E.HAWKINS,DATED 1-JUN-98

EX-23.1

CONSENT OF KPMG LLP

EX-27.1

FINANCIAL DATA SCHEDULES 12-MOS, 9-MOS