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Doctrine Of Equivalence

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Hasit Seth
Hasit Seth

NEWS FLASH: //Check our latest course offering on Patent-Business-Strategy over at Udemy here: http://www.udemy.com/patent-business-strategy/ with a 50 per cent launch discount // A general academic discussion about doctrine of equivalence in US, Japan and other countries as applied by courts in patent infringement cases. [Some material has not been updated for recent changes, so use it at your own risk] Disclaimer: This is not legal advice.

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Doctrine of Equivalents Hasit Seth This communication is not legal advice and is not intended to form or solicit an attorney-client relationship. Spec PHOSITA Judge Obviousness Jury Damages Claims Experts
Introductions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],Patent Infringement
[object Object],[object Object],Patent Infringement The Basic Law – 35 U.S.C. §271 © Hasit Seth, 2006
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 What 35 U.S.C. Does Not Require
[object Object],Patent Infringement © Hasit Seth, 2006
[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 AUTOGIRO Co. of America v. United States
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967) §112: “…one or more claims particularly pointing out and distinctly claiming the subject matter… invention”
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],Patent Infringement © Hasit Seth, 2006 All Elements Rule
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967) Elements Preamble
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
[object Object],Patent Infringement © Hasit Seth, 2006 AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967) Claim
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org AUTOGIRO Co. of America v. United States 384 F.2d 391 (1967)
 
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Preamble and Claim Interpretation
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Specification and Claim Interpretation
[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
Patent Infringement © Hasit Seth, 2006
Patent Infringement © Hasit Seth, 2006
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Source: Image Source – Wikipedia.org Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Unique Concepts, Inc v. Brown 939 F.2d 1558 (Fed. Cir. 1991)
[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Graver Tank & Mfg. Co. v. Linde Air Products Co. 339 U.S. 605 (1950)
Patent Infringement © Hasit Seth, 2006 Graver Tank & Mfg. Co. v. Linde Air Products Co. 339 U.S. 605 (1950) Identical in operation, kind and quality of the welding Mechanical methods of employing the compositions are the same Lincolnweld 660 - Flux Unionmelt Grade 20 - Flux Same composition as the product, except it uses silicates of calcium and manganese (not an earth metal) Patent - Combination of alkaline earth metal silicate and calcium fluoride Product – Silicates of calcium and magnesium, two alkaline earth metal silicates Accused Patented
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Graver Tank & Mfg. Co. v. Linde Air Products Co. 339 U.S. 605 (1950)
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996)
[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996)
[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996)
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996) P,S.I.G. – Pound per Square Inch Gauge
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996) P,S.I.G. – Pound per Square Inch Gauge
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996)
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Hilton Davis Chemical Co. v. Warner-Jenkinson Co. 62 F.3d 1512 (Fed. Cir. 1995), cert. granted, 116 S. Ct. 1014 (1996)
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 What Limits the Application Scope of DoE’s?
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Equivalents for Means Plus Function Claims 35 U.S.C. 112 para 6 - An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof.
[object Object],Patent Infringement © Hasit Seth, 2006 Equivalents for Means Plus Function Claims
[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Equivalents for Means Plus Function Claims
[object Object],[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Equivalents for Means Plus Function Claims
[object Object],[object Object],[object Object],Patent Infringement © Hasit Seth, 2006 Process Patents
[object Object],Patent Infringement © Hasit Seth, 2006
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object],[object Object]
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object],[object Object]
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object]
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object]
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object],[object Object]
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object],[object Object],[object Object],[object Object]
JAPAN - DoE
Sources ,[object Object]
DoE in Japan ,[object Object],[object Object],[object Object]
[object Object]
Ball Spline Decision ,[object Object],[object Object]
Ball Spline Decision Conditions for DoE ,[object Object],[object Object]
Ball Spline Decision Conditions for DoE ,[object Object],[object Object]
Ball Spline Decision Conditions for DoE ,[object Object]
Ball Spline Decision Conditions for DoE ,[object Object],[object Object],[object Object]
Ball Spline Decision Conditions for DoE ,[object Object],[object Object]
A Tour of European DoEs
United Kingdom ,[object Object],[object Object]
France and Germany ,[object Object]
[object Object],Patent Infringement © Hasit Seth, 2006
ORTHO-McNEIL v. CARACO (Fed. Cir. 2007) ,[object Object],[object Object]

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Doctrine Of Equivalence

  • 1. Doctrine of Equivalents Hasit Seth This communication is not legal advice and is not intended to form or solicit an attorney-client relationship. Spec PHOSITA Judge Obviousness Jury Damages Claims Experts
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  • 24. Patent Infringement © Hasit Seth, 2006
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  • 32. Patent Infringement © Hasit Seth, 2006 Graver Tank & Mfg. Co. v. Linde Air Products Co. 339 U.S. 605 (1950) Identical in operation, kind and quality of the welding Mechanical methods of employing the compositions are the same Lincolnweld 660 - Flux Unionmelt Grade 20 - Flux Same composition as the product, except it uses silicates of calcium and manganese (not an earth metal) Patent - Combination of alkaline earth metal silicate and calcium fluoride Product – Silicates of calcium and magnesium, two alkaline earth metal silicates Accused Patented
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