Free Verdict Sheet - District Court of Delaware - Delaware

Case 1:04-cv-00204-JJF

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IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF DELAWARE ______________________________________ KYPHON INC., Plaintiff, v. DISC-O-TECH MEDICAL TECHNOLOGIES LTD., and DISC ORTHOPAEDIC TECHNOLOGIES, INC., Defendants. ______________________________________

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C.A. No. 04-204-JJF

JOINT PROPOSED FORM OF VERDICT AND SPECIAL INTERROGATORIES FOR THE VALIDITY CASE1 We, the jury, unanimously find as follows:

A. 1. Claim 1 Claim 3 Claim 8 Claim 9

Invalidity of the '404 Patent ­ Anticipation

Has Disc-O-Tech proven by clear and convincing evidence that the following claims of the '404 Patent are anticipated, and therefore invalid? Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) No _______ No _______ No _______ No _______ (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon)

The parties anticipate further revisions of the proposed verdict form prior to submission to the jury based on the evidence actually introduced in the trial.

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Claim 10 Claim 12 Claim 15

Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech)

No _______ No _______ No _______

(for Kyphon) (for Kyphon) (for Kyphon)

If you answered yes to Question 5 as to one or more claims, indicate the anticipated claims of the `404 patent by each of the following prior art references: Prior Art References2 Article entitled "Transpedicular Fixation of Thoracolumbar Vertebral Fractures" by Olerud et al., February 1988 ("Olerud"). Article entitled "Open Reduction of Central Compression Fractures of the Tibial Plateau" by Edeland, 1976 ("Edeland"). Article entitled "Fractures of the Tibial Condyles: A Preliminary Report on Supplementary Fixation with Methylmethacrylate," by Kennedy, 1978 ("Kennedy"). Article entitled "Transpedikuläre Reposition und erste Spongiosaplastik bei Wirbelkörperbrüchen der unteren Brust und Lendenwirbelsäule," by Daniaux, 1986 ("Daniaux 1986"). Article entitled "Therapeutic Concept and Results of Operative Treatment in Acute Trauma of the Thoracic and Lumbar Spine: The Hannover Experience," by Blauth, 1987 ("Blauth"). Chapter 35 in Operative Orthopaedics, by Schatzker, 1988 ("Schatzker"). Anticipated Claim(s) _________

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The list of references will be adjusted, if and as necessary, based on evidence at trial. 2

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B. 2. Claim 1 Claim 3 Claim 7 Claim 8 Claim 9 Claim 11 Claim 14

Invalidity of the '888 Patent ­ Anticipation

Has Disc-O-Tech proven by clear and convincing evidence that the following claims of the '888 Patent are anticipated, and therefore invalid? Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) No _______ No _______ No _______ No _______ No _______ No _______ No _______ (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon)

If you answered yes to Question 6 as to one or more claims, indicate the anticipated claims of the `888 patent by each of the following prior art references: Prior Art References Article entitled " Transpedicular Fixation of Thoracolumbar Vertebral Fractures" by Olerud et al., February 1988 (" Olerud" ). Article entitled " Open Reduction of Central Compression Fractures of the Tibial Plateau" by Edeland, 1976 (" Edeland" ). Article entitled " Fractures of the Tibial Condyles: A Preliminary Report on Supplementary Fixation with Methylmethacrylate," by Kennedy, 1978 (" Kennedy" ). Anticipated Claim(s) _________

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Article entitled " Transpedikuläre Reposition und erste Spongiosaplastik bei Wirbelkörperbrüchen der unteren Brust und Lendenwirbelsäule," by Daniaux, 1986 (" Daniaux 1986" ). Article entitled " Therapeutic Concept and Results of Operative Treatment in Acute Trauma of the Thoracic and Lumbar Spine: The Hannover Experience," by Blauth, 1987 (" Blauth" ). Chapter 35 in Operative Orthopaedics, by Schatzker, 1988 (" Schatzker" ).

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_________ _________

C. 3. Claim 1 Claim 3 Claim 8 Claim 9 Claim 10 Claim 12 Claim 15

Invalidity of the '404 Patent ­ Obviousness

Has Disc-O-Tech proven by clear and convincing evidence that the following claims of '404 Patent are invalid for obviousness? Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) No _______ No _______ No _______ No _______ No _______ No _______ No _______ (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon)

If you answered yes to Question 7 as to one or more claims, indicate the claims of the `404 patent rendered obvious by any of the following references alone, or in combination with one of more of the other references listed here: Prior Art References Article entitled " Transpedicular Fixation of Thoracolumbar Vertebral Fractures" by Olerud et al., February 1988 (" Olerud" ). 4 Claim(s) Rendered Obvious

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Article entitled " Open Reduction of Central Compression Fractures of the Tibial Plateau" by Edeland, 1976 (" Edeland" ). Article entitled " Fractures of the Tibial Condyles: A Preliminary Report on Supplementary Fixation with Methylmethacrylate," by Kennedy, 1978 (" Kennedy" ). Article entitled " Transpedikuläre Reposition und erste Spongiosaplastik bei Wirbelkörperbrüchen der unteren Brust und Lendenwirbelsäule," by Daniaux, 1986 (" Daniaux 1986" ). Article entitled " Therapeutic Concept and Results of Operative Treatment in Acute Trauma of the Thoracic and Lumbar Spine: The Hannover Experience," by Blauth, 1987 (" Blauth" ). Chapter 35 in Operative Orthopaedics, by Schatzker, 1988 (" Schatzker" ). Chapter 44 in Campbell' Operative s Orthopaedics, 1987 (" Campbell" ). Article entitled " Treated by Percutaneous Poking Reduction and Internal Fixation," by Ma, 1984 (" Ma" ). Article entitled " Technik und Ergebnisse der transpedikulären Spongiosaplastik bei Kompressionsbrüchen im Lendenwirbelsäulenbereich," Daniaux, 1982 (" Daniaux 1982" ).

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Article entitled " Use of the Acetabular Reamer to Harvest Autogeneic Bone Graft Material: A Simple Method for Producing Bone Paste," by Dick, 1986 (" Dick 1986" ). _________ 5

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Article entitled " The Use of Methylmethacrylate in Repair of Neoplastic Lesions in Bone," by Carlson, 1974 (" Carlson" ). U.S. Patent No. 4,518,430, issued on May 21, 1985 to Brown et al. (" Brown and Chow patent" ).

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Article entitled " Effect of Cyrosurgery and Polymethyl Methacrylate on the Tumor Cavity," by Malawer and Marks, 1987 (" Malawer and Marks article" ). _________ Chapter entitled " Effectiveness of Methyl Methacrylate as a Physical adjuvant in Local Tumor Control," 1987 (" Limb Salvage chapter" ).

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D. 4. Claim 1 Claim 3 Claim 7 Claim 8 Claim 9 Claim 11 Claim 14

Invalidity of the '888 Patent ­ Obviousness

Has Disc-O-Tech proven by clear and convincing evidence that the following claims of 888 Patent are invalid for obviousness? Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) No _______ No _______ No _______ No _______ No _______ No _______ No _______ (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon)

If you answered yes to Question 8 as to one or more claims, indicate the claims of the `888 patent rendered obvious by any of the following references alone, or in combination with one of more of the other references listed here:

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Prior Art References Article entitled " Transpedicular Fixation of Thoracolumbar Vertebral Fractures" by Olerud et al., February 1988 (" Olerud" ). Article entitled " Open Reduction of Central Compression Fractures of the Tibial Plateau" by Edeland, 1976 (" Edeland" ). Article entitled " Fractures of the Tibial Condyles: A Preliminary Report on Supplementary Fixation with Methylmethacrylate," by Kennedy, 1978 (" Kennedy" ).

Claim(s) Rendered Obvious

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Article entitled " Transpedikuläre Reposition und erste Spongiosaplastik bei Wirbelkörperbrüchen der unteren Brust und Lendenwirbelsäule," by Daniaux, 1986 (" Daniaux 1986" ). Article entitled " Therapeutic Concept and Results of Operative Treatment in Acute Trauma of the Thoracic and Lumbar Spine: The Hannover Experience," by Blauth, 1987 (" Blauth" ). Chapter 35 in Operative Orthopaedics, by Schatzker, 1988 (" Schatzker" ). Chapter 44 in Campbell' Operative s Orthopaedics, 1987 (" Campbell" ). Article entitled " Treated by Percutaneous Poking Reduction and Internal Fixation," by Ma, 1984 (" Ma" ). Article entitled " Technik und Ergebnisse der transpedikulären Spongiosaplastik bei Kompressionsbrüchen im Lendenwirbelsäulenbereich," Daniaux, 1982 (" Daniaux 1982" ). 7

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_________ _________ _________

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Article entitled " Use of the Acetabular Reamer to Harvest Autogeneic Bone Graft Material: A Simple Method for Producing Bone Paste," by Dick, 1986 (" Dick 1986" ). _________ Article entitled " The Use of Methylmethacrylate in Repair of Neoplastic Lesions in Bone," by Carlson, 1974 (" Carlson" ). U.S. Patent No. 4,518,430, issued on May 21, 1985 to Brown et al. (" Brown and Chow patent" ).

_________

_________

Article entitled " Effect of Cyrosurgery and Polymethyl Methacrylate on the Tumor Cavity," by Malawer and Marks, 1987 (" Malawer and Marks article" ). _________ Chapter entitled " Effectiveness of Methyl Methacrylate as a Physical adjuvant in Local Tumor Control," 1987 (" Limb Salvage chapter" ).

_________

E. 5. Claim 17 Claim 20 Claim 24 Claim 26

Invalidity of the '043 Patent ­ Obviousness

Has Disc-O-Tech proven by clear and convincing evidence that the following claims of `043 Patent are invalid for obviousness? Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) Yes _______ (for Disc-O-Tech) No _______ No _______ No _______ No _______ (for Kyphon) (for Kyphon) (for Kyphon) (for Kyphon)

If you answered yes to Question 9 as to one or more claims, indicate the claims of the `043 patent rendered obvious by U.S. Patent No. 5,108,404, issued on April 28, 1992 to Scholten et al. (" `404 Patent" ) in combination with one or more of the following references listed here:

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Prior Art References

Claim(s) Rendered Obvious

U.S. Patent No. 3,626,949, issued on December 14, 1971 to Shute (" `949 Patent" ). U.S. Patent No. 4,878,495, issued on November 7, 1989 to Grayzel (" `495 Patent" ). U.S. Patent No. 4,909,252, issued on March 20, 1990 to Goldberger (" `252 Patent" ). U.S. Patent No. 5,049,132, issued on September 17, 1991 to Shaffer et al. (" `132 Patent" ).

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You must each sign this verdict form Dated: ____________ (Foreperson) __________________________________

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