jason murata axinn, veltrop & harkrider llp patent infringement: round up of recent cases
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Claim Construction and Indefiniteness 3TRANSCRIPT
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Serving the Creative and Legal Communities
Jason MurataAxinn, Veltrop & Harkrider LLP
Patent Infringement:Round Up of Recent Cases
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Claim Construction Federal Circuit Review of Claim Constructions Indefiniteness Means-Plus-Function Claims
Divided InfringementWillful InfringementNew Rules for Patent Infringement Complaints
Overview
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Claim Construction and Indefiniteness
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Teva Pharm. USA, Inc. v. Sandoz, Inc., 135 S. Ct. 831 (2015)
Drug having specific average molecular weights
District court heard expert testimony and concluded that claims were definite
Federal Circuit reviewed de novo and reversed district court
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Claim Construction & Indefiniteness
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Claim construction and indefiniteness are questions of law reviewed de novo (without deference to district court) Analysis of intrinsic evidence is a question of law
Underlying factual findings reviewed for clear error (with deference to district court
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Factual Findings
Conclusions of Law
BEFORE TEVA
DE NOVO
Factual Findings
Conclusions of Law
AFTER TEVA
DE NOVOCLEAR
ERROR
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Takeaways
Expect a nominal increase in Federal Circuit affirmance of district court’s claim construction
Strategy for claim construction with respect to use of experts and other extrinsic evidence to support claim construction
In prosecution, consider the tests that may be used to prove infringement and the variability between the test methods
o More guidance in the specification?6
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Nautilus, Inc. v. Biosig Instruments, Inc.,134 S. Ct. 2120 (2014)
Heart-rate monitor for exercise machine
“Spaced relationship” between electrodes for heart rate monitor
District Court found claims indefinite under “insolubly ambiguous” standard
Federal Circuit reversed
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Indefiniteness
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Old Standard: A claim is
indefinite “only when it is ‘not amenable to construction’ or ‘insolubly ambiguous.’”
New Standard: Claims must inform
those in the art about the scope of the invention with “reasonable certainty”
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Takeaways
Expect at most a small effect on likelihood of success in invalidating claim for indefinitenesso Has Nautilus really changed the standard?
More indefiniteness arguments will be raised in the short term
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Williamson v. Citrix Online, LLC, 792 F.3d 1339 (Fed. Cir. 2015)(en banc in
part) A method for a “virtual
classroom”
Defendant argued that “distributed learning control module” was a means-plus-function limitation
Prior cases gave “strong presumption” that not a means-plus-function claim
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Means-Plus-Function Claim Limitations
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Federal Circuit overruled the “strong” presumption that limitation that does not say “means for” is not in means-plus-function format
Test remains whether claim limitation recites sufficient structure
“Nonce” words treated like “means” Device Module Mechanism Element
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Takeaways
There will likely be more claims found to be in means-plus-function format
Defendants may raise in claim construction more often to try to narrow the scope of the claims to corresponding structure(s) disclosed in the specification
Considerations for prosecution:
o More attention to “nonce” words
o Ensure adequate disclosure of corresponding structure in close cases to avoid indefiniteness
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Divided Infringement
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Akamai Tech. Inc. v. Limelight Networks, Inc., 2015 WL 4760450 (Fed. Cir. 2015) (en banc)
Patent concerned method of delivering Internet content
Parties agreed that defendant performed some steps but defendant’s customers performed other steps
Jury found defendant infringed patent
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A content delivery method, comprising:
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distributing a set of page objects . . .
tagging at least some of the embedded objects . . .
resolving the client request . . .
returning . . . an IP address . . .
Defendant’s Server
Defendant’s
Customers
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Traditional principles of vicarious liability applies to determine whether or not the defendant is liable for another’s actions
Principle-agent relationships, contractual arrangements, and joint enterprise are situations in which one party can be responsible for another party’s action
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Takeaways Noninfringement because more than one actor
performs the claimed steps is harder to prove
Consider alternative theories of infringement
Note during prosecution:
o Draft claims to avoid issue of divided infringement
o Single actor to perform all claimed acts
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Willful Infringement
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Patent owner alleged induced infringement of patent concerning short-range wi-fi network
Defendant asserted a good faith belief that patent was invalid to prove no intent to induce infringement
Evidence of good faith belief of invalidity was excluded from trial by district court: Statements in interference that asserted
patent and prior art patent covered same subject matter
Alleged admissions regarding conception and reduction to practice of claimed invention
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Commil USA, LLC v. Cisco Sys., 135 S. Ct. 1920 (2015)
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Good faith belief of invalidity is not a defense to induced infringement Invalidity is a defense to liability
Invalidity is not a defense to infringement
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Takeaways Companies face higher risk with product / services
launch if primary defense is invalidity
Inducement is not simple to prove – patentee must prove that defendant knew that induced acts would constitute infringement
Good faith belief of noninfringement is still a defense
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Amendments to Federal Rules of Civil Procedure
(December 1, 2015)
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Currently, complaint only has to state: Jurisdiction Plaintiff owns patent Defendant infringed patent Plaintiff has given defendant
notice of its infringement Demand for an injunction
and/or damages
Beginning December 1, 2015, unless Congress blocks new Rules, this will no longer be sufficient
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Under Twombly/Iqbal, complaint must state that are sufficient to make it plausible that the defendant infringed the patent
Almost unanimous agreement that a Complaint will have to be more detailed
Level of detail required by the courts remains to be seen
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Takeaways
For patent owners, patent infringement complaint will require more facts
o Guidance from cases regarding pleading induced and contributory infringement and patent invalidity
o Effect on pre-suit investigations
For defendants, consider moving to dismiss claims that lack such facts for cases filed after December 1, 201525
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Questions?
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Jason T. Murata
AXINN, VELTROP & HARKRIDER LLP
90 State House SquareHartford, CT [email protected]