Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
RAMIUS CAPITAL GROUP LLC
  2. Issuer Name and Ticker or Trading Symbol
LAMSON & SESSIONS CO [LMS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
666 THIRD AVENUE, 26TH FLOOR, 
3. Date of Earliest Transaction (Month/Day/Year)
08/16/2007
(Street)

NEW YORK CITY, NY 10017
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, no par value 08/16/2007   S   40,000 D $ 26 253,494 I By Parche LLC (1)
Common Stock, no par value 08/16/2007   S   210,000 D $ 26 1,330,844 I By Starboard Master (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RAMIUS CAPITAL GROUP LLC
666 THIRD AVENUE, 26TH FLOOR
NEW YORK CITY, NY 10017
    X    
C4S & CO LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    
COHEN PETER A
C/O RAMIUS CAPITAL GROUP, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X   See Explanation of Responses
STARK MORGAN B
C/O RAMIUS CAPITAL GROUP, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    
STRAUSS THOMAS W
C/O RAMIUS CAPITAL GROUP, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    
SOLOMON JEFFREY M
C/O RAMIUS CAPITAL GROUP, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    
Starboard Value & Opportunity Master Fund Ltd
C/O CITCO FUND SERVICES LTD
WEST BAY RD
 
    X    
Parche, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    
RCG STARBOARD ADVISORS, LLC
666 THIRD AVENUE
NEW YORK CITY, NY 10017
    X    

Signatures

 By: Ramius Capital Group, L.L.C.; By: C4S & Co., L.L.C., as managing member; By: /s/ Jeffrey M. Solomon, Authorized Signatory   08/20/2007
**Signature of Reporting Person Date

 By: C4S & Co., L.L.C., By: /s/ Jeffrey M. Solomon, as Managing Member   08/20/2007
**Signature of Reporting Person Date

 By: /s/ Jeffrey M. Solomon, as Attorney in Fact for Peter A. Cohen   08/20/2007
**Signature of Reporting Person Date

 By: /s/ Jeffrey M. Solomon, as Attorney in Fact for Morgan B. Stark   08/20/2007
**Signature of Reporting Person Date

 By: /s/ Jeffrey M. Solomon, as Attorney in Fact for Thomas W. Strauss   08/20/2007
**Signature of Reporting Person Date

 /s/ Solomon, Jeffrey M.   08/20/2007
**Signature of Reporting Person Date

 By: Starboard Value and Opportunity Master; By: RCG Starboard Advisors, LLC, its investment manager; By: Ramius Capital Group, L.L.C., its sole member; By: C4S & Co., L.L.C., as managing member; By: /s/ Jeffrey M. Solomon, Authorized Signatory   08/20/2007
**Signature of Reporting Person Date

 By: Parche, LLC; By: RCG Starboard Advisors, LLC, its managing member; By: Ramius Capital Group, L.L.C., its sole member; By: C4S & Co., L.L.C., as managing member; By: /s/ Jeffrey M. Solomon, Authorized Signatory   08/20/2007
**Signature of Reporting Person Date

 By: RCG Starboard Advisors, LLC; By: Ramius Capital Group, L.L.C., its sole member; By: C4S & Co., L.L.C., as managing member; By: /s/ Jeffrey M. Solomon, Authorized Signatory   08/20/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Consists of Shares owned directly by Parche, LLC (Parche). As the managing member of Parche, RCG Starboard Advisors, LLC (RCG Starboard Advisors) may be deemed to beneficially own the Shares owned by Parche. As the sole member of RCG Starboard Advisors, Ramius Capital Group, L.L.C. (Ramius) may be deemed to beneficially own the Shares owned by Parche. As the managing member of Ramius, C4S & Co., L.L.C. (C4S) may be deemed to beneficially own the Shares owned by Parche. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Shares owned by Parche. Each of Messrs. Cohen, Stark, Solomon and Strauss, RCG Starboard Advisors, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
(2) Consists of Shares owned directly by Starboard Value and Opportunity Master Fund, Ltd. (Starboard). As the investment manager of Starboard, RCG Starboard Advisors may be deemed to beneficially own the Shares owned by Starboard. As the sole member of RCG Starboard Advisors, Ramius may be deemed to beneficially own the Shares owned by Starboard. As the managing member of Ramius, C4S may be deemed to beneficially own the Shares owned by Starboard. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Shares owned by Starboard. Each of Messrs. Cohen, Stark, Solomon and Strauss, RCG Starboard Advisors, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

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