Source: s3://data.kl3m.ai/documents/govinfo/USCOURTS/USCOURTS-cand-3_05-cv-04374/USCOURTS-cand-3_05-cv-04374-10/pdf.json

Nature of Suit Code: 830
Nature of Suit: Patent
Cause of Action: 35:271 Patent Infringement

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JOINT STIPULATION & [PROPOSED] ORDER GRANTING 

DEF'S ULTRA CLEAN TECH. SYSTEMS & ULTRA CLEAN 

HOLDINGS LEAVE TO FILE COUNTERCLAIM 

Case No. 05-CV-04374 MMC 

Consolidated with No. 05-CV-03560 MMC

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PAUL J. ANDRE, Bar No. 196585 

(pandre@perkinscoie.com)

LISA KOBIALKA, Bar No. 191404 

(lkobialka@perkinscoie.com)

RADHIKA TANDON, Bar No. 209126 

(rtandon@perkinscoie.com)

SHREYA RAMCHANDANI, Bar No. 232041 

(sramchandani@perkinscoie.com)

PERKINS COIE LLP

101 Jefferson Drive 

Menlo Park, CA 94025 

Telephone: (650) 838-4300 

Facsimile: (650) 838-4350 

Attorneys for Defendants/Counterclaimant 

ULTRA CLEAN TECHNOLOGY SYSTEMS AND 

SERVICE, INC., and ULTRA CLEAN HOLDINGS, INC. 

UNITED STATES DISTRICT COURT 

NORTHERN DISTRICT OF CALIFORNIA 

SAN FRANCISCO DIVISION 

CELERITY, INC. 

 Plaintiff/Counter-Defendant, 

 v. 

ULTRA CLEAN TECHNOLOGY SYSTEMS 

AND SERVICE, INC. 

 Defendant/Counterclaimant 

 and 

ULTRA CLEAN HOLDINGS, INC. 

 Defendant. 

Case No. C 05-CV-04374 MMC 

(consolidated with No. C-05-CV-03560 MMC)

JOINT STIPULATION AND ORDER 

GRANTING DEFENDANT ULTRA 

CLEAN TECHNOLOGY SYSTEMS AND 

SERVICE, INC. AND ULTRA CLEAN 

HOLDINGS, INC. LEAVE TO FILE 

COUNTERCLAIM 

Case 3:05-cv-04374-MMC Document 41 Filed 05/17/06 Page 1 of 4
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JOINT STIPULATION & [PROPOSED] ORDER GRANTING 

DEF'S ULTRA CLEAN TECH. SYSTEMS & ULTRA CLEAN 

HOLDINGS LEAVE TO FILE COUNTERCLAIM [42368-0003/BY060930.086.DOC]

Case No. 05-CV-04374 MMC 

Consolidated with No. 05-CV-03560 MMC

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 WHEREAS, Defendant Ultra Clean Technology Systems and Service, Inc. ("Ultra Clean 

Technology") and Ultra Clean Holdings, Inc. ("Ultra Clean Holdings") seek to add a Counterclaim 

for inequitable conduct against U.S. Patent No. 6,142,539; U.S. Patent No. 6,189,570; U.S. Patent 

No. 6,192,938; U.S. Patent No. 6,293,310; U.S. Patent No. 6,394,138; U.S. Patent No. 6,435,215; 

and U.S. Patent No. 6,474,700 (collectively the "patents-in-suit") to the litigation; 

 WHEREAS, after the parties to this litigation ("the parties") met and conferred, the parties 

have agreed to allow Ultra Clean Technology and Ultra Clean Holdings assert a Counterclaim of 

inequitable conduct against the patents-in-suit as provided in Exhibit 1 attached hereto; 

 WHEREAS, if the Court grants the parties' stipulated request for leave, the parties have 

agreed to file its respective answers, affirmative defenses, and replies within 20 days after entry of 

the Counterclaim; 

 WHEREAS, the parties have agreed that they will not challenge the Counterclaim by filing 

motions to dismiss or strike; 

 WHEREAS, the parties agree that the filing of the Counterclaim will not affect the Court's 

scheduling order in the case; 

 The parties therefore stipulate that Ultra Clean Technology and Ultra Clean Holdings are 

permitted to file the Counterclaim as provided in Exhibit 1 attached hereto. The parties further 

stipulate that they will file their respective answers, affirmative defenses, and replies within 20 

days from entry of the Counterclaim. The parties further stipulate that the Counterclaim will not 

be challenged by motions to dismiss or strike. 

IT IS SO STIPULATED. 

Case 3:05-cv-04374-MMC Document 41 Filed 05/17/06 Page 2 of 4
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JOINT STIPULATION & [PROPOSED] ORDER GRANTING 

DEF'S ULTRA CLEAN TECH. SYSTEMS & ULTRA CLEAN 

HOLDINGS LEAVE TO FILE COUNTERCLAIM [42368-0003/BY060930.086.DOC]

Case No. 05-CV-04374 MMC 

Consolidated with No. 05-CV-03560 MMC

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DATED: May 16, 2006 PERKINS COIE LLP 

By s/Lisa Kobialka 

 Lisa Kobialka 

 Attorney for Defendant/Counterclaimant 

 Ultra Clean Technology Systems and Service, Inc., 

DATED: May 16, 2006 THELEN REID & PRIEST LLP 

By s/Keith Slenkovich 

 Keith Slenkovich 

 Attorney for Plaintiff/Counterdefendant 

 Celerity, Inc. 

Case 3:05-cv-04374-MMC Document 41 Filed 05/17/06 Page 3 of 4
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JOINT STIPULATION & [PROPOSED] ORDER GRANTING 

DEF'S ULTRA CLEAN TECH. SYSTEMS & ULTRA CLEAN 

HOLDINGS LEAVE TO FILE COUNTERCLAIM [42368-0003/BY060930.086.DOC]

Case No. 05-CV-04374 MMC 

Consolidated with No. 05-CV-03560 MMC

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THE COURT ORDERS as follows: 

 1. The parties’ stipulated request for leave to file the Counterclaim is GRANTED and 

Ultra Clean Technology and Ultra Clean Holdings may, no later than May 26, 2006, file their 

proposed Counterclaim, which is attached as Exhibit 1 to the parties’ stipulation filed May 16, 

2006.

 2. The parties shall file their respective answers, affirmative defenses, and replies 

within 20 days from the date the Counterclaim is filed. 

IT IS SO ORDERED. 

DATED: May 17, 2006 By 

 Honorable Maxine M. Chesney 

 United States District Judge 

Case 3:05-cv-04374-MMC Document 41 Filed 05/17/06 Page 4 of 4