UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Form 40-F

[Check one]

OR

The Westaim Corporation

Alberta

3674

Not Applicable

1010 Sun Life Plaza I, West Tower, 144 – 4^th Avenue S.W., Calgary, Alberta T2P 3N4 Canada, Telephone (403) 234-3100

Scott Gillis, Nucryst Pharmaceuticals Inc., 50 Audubon Road, Wakefield, MA 01880, Telephone (781) 246-6010

Securities registered or to be registered pursuant to Section 12(b) of the Act.

Securities registered or to be registered pursuant to Section 12(g) of the Act.

Common Shares, without par value

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act.

None

For annual reports, indicate by check mark the information filed with this Form:

þ Annual information form                     þ Audited annual financial statements

     Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report.

92,828,054 Common Shares, without par value

     Indicate by check mark whether the Registrant by filing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934 (the “Exchange Act”). If “Yes” is marked, indicate the filing number assigned to the Registrant in connection with such Rule.

Yes o                     Noþ

     Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.

Yes þ                     No o

Table of Contents

DISCLOSURE CONTROLS AND PROCEDURES

A.	Evaluation of Disclosure Controls and Procedures
	As of the end of the Registrant’s fiscal year ended December 31, 2004, an evaluation of the effectiveness of the Registrant’s “disclosure controls and procedures” (as such term is defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) was carried out by the Registrant’s chief executive officer and chief financial officer. Based upon that evaluation, the Registrant’s chief executive officer and chief financial officer have concluded that as of the end of that fiscal year, the Registrant’s disclosure controls and procedures are effective to ensure that the information required to be disclosed by the Registrant in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange commission rules and forms.
B.	Changes in Internal Control Over Financial Reporting
	There was no change in the Registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, its internal control over financial reporting.

AUDIT COMMITTEE FINANCIAL EXPERT

See page 17 of Exhibit 1 to this report.

CODE OF ETHICS

The Registrant has adopted a Finance Code of Conduct for Chief Executive and Senior Financial Officers (included as Exhibit 5 to this report).

PRINCIPAL ACCOUNTANT FEES AND SERVICES

See page 18 of Exhibit 1 to this report.

AUDIT COMMITTEE’S PRE-APPROVAL POLICIES AND PROCEDURES

See page 18 of Exhibit 1 to this report.

OFF-BALANCE SHEET ARRANGEMENTS

As at December 31, 2004, the Registrant has not entered into any off-balance sheet arrangements.

TABULAR DISCLOSURE OF CONTRACTUAL OBLIGATIONS

See page 15 of Exhibit 2 to this report.

IDENTIFICATION OF THE AUDIT COMMITTEE

See page 17 of Exhibit 1 to this report.

EXEMPTION FROM NASDAQ CORPORATE GOVERNANCE REQUIREMENTS

Marketplace Rule 4460(f) requires each Nasdaq National Market issuer to establish a quorum for any meeting of the holders of common stock of no less than 33 1/3% of the outstanding shares. On June 5, 2000, pursuant to Marketplace Rule 4460(a), Nasdaq granted to the Registrant an exemption from Nasdaq’s corporate governance rules. The Registrant’s by-laws state that a quorum for the transaction of business at any meeting of shareholders shall be two persons present in person, each being a shareholder entitled to vote thereat or a duly appointed proxyholder or representative for a shareholder so entitled.

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UNDERTAKING AND CONSENT TO SERVICE OF PROCESS

A.	Undertaking
	The Registrant undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the staff of the SEC, and to furnish promptly, when requested to do so by the SEC staff, information relating to the securities in relation to which the obligation to file an annual report on Form 40-F arises or transactions in said securities.
B.	Consent to Service of Process
	The Registrant has previously filed with the SEC a Form F-X in connection with the Common Shares.

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SIGNATURES

     Pursuant to the requirements of the Exchange Act, the Registrant certifies that it meets all of the requirements for filing on Form 40-F and has duly caused this annual report to be signed on its behalf by the undersigned, thereto duly authorized.

Registrant:

	THE WESTAIM CORPORATION
	By:	/s/ Douglas H. Murray
		Name:	Douglas H. Murray
		Title:	Assistant Corporate Secretary

Date: March 29, 2005

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EXHIBIT INDEX

99.1	Annual Information Form dated March 28, 2005 for the year ended December 31, 2004
99.2	Management’s Discussion and Analysis for the year ended December 31, 2004 is incorporated by reference to Exhibit 2 to our Report of Foreign Issuer on Form 6-K for the month of March, 2005, filed on March 4, 2005 and to Exhibit 1 to our Report of Foreign Issuer on Form 6-K/A for the month of March, 2005, filed on March 23, 2005 (Commission File No. 000-30600).
99.3	Audited Financial Statements for the year ended December 31, 2004
99.4	Consent of Deloitte & Touche LLP
99.5	Finance Code of Conduct for Chief Executive and Senior Financial Officers
99.6	Section 906 Certification of Chief Executive Officer and Chief Financial Officer
99.7	Section 302 Certification of Chief Executive Officer
99.8	Section 302 Certification of Chief Financial Officer

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