Source: https://present5.com/35-u-s-c-112-supplementary-examination-2/
Timestamp: 2019-12-13 00:21:19
Document Index: 627755411

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35 U S C 112 Supplementary Examination
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35 U. S. C. § 112 Supplementary Examination Guidelines Office of Patent Legal Administration United States Patent and Trademark Office 04/08/2011 1
35 U. S. C. § 112 Supplementary Examination Guidelines • The Supplementary § 112 Examination Guidelines were published in the Federal Register on February 9, 2011. • See Supplementary Examination Guidelines for Determining Compliance with 35 U. S. C. § 112 and for Treatment of Related Issues in Patent Applications, 76 FR 7162 (Feb. 9, 2011), available at http: //www. uspto. gov/patents/law/notices/2011. jsp. • The corresponding Memoranda to the Examining Corps is available at http: //www. uspto. gov/patents/law/exam/memoranda. jsp. 04/08/2011 2
35 U. S. C. § 112 Supplementary Examination Guidelines • Purpose: Assist the Examining Corps in evaluating claims for compliance with § 112, ¶ 2, and other patentability requirements related to enhancing the quality of patents. • Goal: Ensure that the scope of any patent rights granted is clear and supported by the invention disclosed to the public. – Section 112 is a valuable tool for examiners to accomplish this goal. 04/08/2011 3
35 U. S. C. § 112 Supplementary Examination Guidelines The guidelines include the following: • Guidance for determining, under the broadest reasonable interpretation, whether the metes and bounds of the claimed invention are clear under § 112, ¶ 2; • Instructions for rejecting non-compliant dependent claims under § 112, ¶ 4 as unpatentable rather than objecting to the claims; • Factors to be considered when examining functional claim language to determine whether the claim scope is clear and precise under § 112, ¶ 2; • Guidance for determining whether a claim limitation invokes § 112, ¶ 6 and whether a § 112, ¶ 6 limitation complies with § 112, ¶ 2; 04/08/2011 4
35 U. S. C. § 112 Supplementary Examination Guidelines The guidelines include the following (cont. ): • Supplemental information for examining computer-implemented functional claim limitations with respect to written description and enablement requirements under § 112, ¶ 1, and rejections under §§ 102 and 103; • Guidance for examining Markush claims with respect to the definiteness requirement under § 112, ¶ 2, and a judicially based rejection as an “improper Markush grouping”; and • Compact prosecution procedures for resolving § 112 issues. 04/08/2011 5
Supplementary § 112 Examination Guidelines Step I. Interpreting the Claims – Broadest Reasonable Interpretation 04/08/2011 6
Supplementary § 112 Examination Guidelines Broadest Reasonable Interpretation Give the claim the broadest reasonable interpretation (BRI) consistent with the specification as it would be interpreted by one of ordinary skill in the art. • Why do we apply BRI? – An application claim can be amended and interpreted during prosecution to make the meaning clear, but a patent claim is fixed and, when possible, will be interpreted in favor of validity. – As a result, the USPTO uses a lower threshold of ambiguity for definiteness. 04/08/2011 7
Supplementary § 112 Examination Guidelines Broadest Reasonable Interpretation (cont. ) • Why does it matter? – Giving a claim its BRI during prosecution will reduce the possibility that the claim, once issued, will be interpreted more broadly than is justified. • What does BRI mean? – The interpretation should be based on what is reasonable, not what is possible, and should be viewed in light of the specification and how one of ordinary skill in the art would interpret it. 04/08/2011 8
Supplementary § 112 Examination Guidelines Broadest Reasonable Interpretation (cont. ) • Where do you start? – Claim terms should be given their plain meaning unless the application clearly sets forth a different definition in the specification as filed. • Plain meaning means the ordinary and customary meaning given to that term by those of ordinary skill in the art at the time of the invention. • Sources of the meaning include words of the claims, specification, drawings, and prior art. • See also MPEP § 2111. 04/08/2011 9
Supplementary § 112 Examination Guidelines Step II. Determining Whether Claim Language Is Definite 04/08/2011 10
Supplementary § 112 Examination Guidelines Determining Whether Claim Language Is Definite • How is it determined whether a claim clearly and precisely defines the patent rights? – Use the definiteness requirement of § 112, ¶ 2. • This is a statutory requirement and cannot be waived. • An indefinite claim is not patentable, and therefore it must be rejected under § 112, ¶ 2. 04/08/2011 11
Supplementary § 112 Examination Guidelines Determining Whether Claim Language Is Definite (cont. ) • The test is whether, under the BRI, the metes and bounds of the claimed invention are clear. – Can you draw the boundary between what is covered by the claim and what is not covered? – A boundary cannot be drawn if there is more than one reasonable interpretation of what is covered. • This means that it is unclear as to where the boundary should be drawn. 04/08/2011 12
Supplementary § 112 Examination Guidelines Determining Whether Claim Language Is Definite (cont. ) • Do not confuse breadth with indefiniteness. – For example, a genus claim covering multiple species is broad, but not indefinite because of its breadth, which is otherwise clear. – However, a genus claim that can be interpreted in such a way that it is not clear which species are covered would be indefinite (e. g. , there is more than one reasonable interpretation of which species are included in the claim). 04/08/2011 13
Supplementary § 112 Examination Guidelines Determining Whether Claim Language Is Definite (cont. ) Areas where questions of definiteness commonly arise: – – – – 04/08/2011 Terms of degree Subjective terms Correspondence between specification and claims Improper dependent claims Functional claiming Lack of corresponding structure for a § 112, ¶ 6 limitation Markush groups 14
Supplementary § 112 Examination Guidelines Terms of Degree 04/08/2011 15
Supplementary § 112 Examination Guidelines Terms of Degree • When a term of degree is used, there must be some standard for measuring that degree: – The specification should provide some standard for measuring that degree; or – There should be a standard that is recognized in the art for measuring the meaning of the term of degree. • Without a standard for measuring, the claim is indefinite because the boundaries cannot be determined. 04/08/2011 16
Supplementary § 112 Examination Guidelines Terms of Degree (cont. ) • An appropriate applicant response to an indefiniteness rejection based on a term of degree includes, for example: – Demonstrating that the specification provides examples or teachings that can be used to measure a degree even without a precise numerical measurement; or – Submitting a declaration under 37 CFR 1. 132 showing examples that meet the claim limitation and examples that do not. 04/08/2011 17
Supplementary § 112 Examination Guidelines Subjective Terms 04/08/2011 18
Supplementary § 112 Examination Guidelines Subjective Terms • Similar to a term of degree, a subjective term must be objectively measureable. • The specification should provide some objective standard for measuring the scope of the term. • Example: a claim recites a computer interface screen with an aesthetically pleasing look and feel. – The claim is indefinite because the term “aesthetically pleasing” depends solely on the subjective opinion of the person selecting the features to be included on the interface screen. 04/08/2011 19
Supplementary § 112 Examination Guidelines Subjective Terms (cont. ) • An appropriate applicant response to an indefiniteness rejection based on a subjective term includes, for example: – Evidence that the meaning of the term can be ascertained by one of ordinary skill in the art when reading the disclosure; or – An amendment to the claim to remove the subjective term. 04/08/2011 20
Supplementary § 112 Examination Guidelines Claims Must Find Clear Support in the Specification 04/08/2011 21
Supplementary § 112 Examination Guidelines Clear Support in the Specification • Correspondence between the specification and claims is required by 37 CFR 1. 75(d)(1). – Claim terms must find clear support or antecedent basis in the specification so that the meaning of the terms can be ascertained by reference to the specification. • To meet § 112, ¶ 2, the meaning of the terms must be readily discernable to a person of ordinary skill in the art. – The specification must provide guidance on the meaning of the terms (e. g. , by using clearly equivalent terms). – The exact terms, however, are not required to be used in the specification. 04/08/2011 22
Supplementary § 112 Examination Guidelines Clear Support in the Specification (cont. ) • If the claims do not find clear support in the specification, object to the specification. • If the claim terms have inconsistent or conflicting meaning with the specification, also reject the claim as indefinite under § 112, ¶ 2. 04/08/2011 23
Supplementary § 112 Examination Guidelines Clear Support in the Specification (cont. ) • An appropriate applicant response to an objection based on lack of support in the specification and/or a rejection based on inconsistency between a claim term and the specification includes, for example: – An amendment to the specification to provide clear support or antecedent basis for the claim terms without introducing any new matter; or – An appropriate amendment to the claim. 04/08/2011 24
Supplementary § 112 Examination Guidelines Rejections Under § 112, ¶ 4 for Improper Dependent Claims 04/08/2011 25
Supplementary § 112 Examination Guidelines Improper Dependent Claims • Under § 112, ¶ 4, a dependent claim is statutorily required to: – – Contain a reference to a previous claim in the same application, and Specify a further limitation of the subject matter claimed. • If it does not satisfy these requirements, the claim should be rejected under § 112, ¶ 4, rather than being objected to, and then examined on its merits, as best understood. • An appropriate applicant response to a rejection under § 112, ¶ 4 includes, for example: – Writing the claim in independent form; – Making an appropriate amendment to the dependent claim; or – Presenting a sufficient showing that the dependent claim complies with the statutory requirements. 04/08/2011 26
Supplementary § 112 Examination Guidelines Improper Dependent Claims • An improper dependent claim includes, but is not limited to: 1. A claim that omits an element from the independent claim. 2. A claim that fails to add a limitation to the independent claim. • Example of an improper dependent claim: 1. A pipe coupling comprising: an elongated cylinder and a nickel fitting secured to the cylinder. 2. The pipe coupling of claim 1, wherein the fitting is metal. Claim 2 does not further limit claim 1 as metal is less limiting than nickel. 04/08/2011 27
Supplementary § 112 Examination Guidelines Functional Claiming 04/08/2011 28
Supplementary § 112 Examination Guidelines Functional Claiming • Functional claiming means the claim recites a feature using functional terms. – Reciting what the feature does rather than what the feature is. • Permissible when the scope is clear, or when means-plusfunction format is used. • In functional claiming (not in means-plus-function format), typically some structure will be recited followed by its function. – Example: A conical spout (structure) that allows several kernels of popped popcorn to pass through at the same time (function). 04/08/2011 29
Supplementary § 112 Examination Guidelines Functional Claiming (cont. ) • Problems associated with functional claiming: – When a claim merely recites a description of a problem to be solved or a function or result achieved by the invention, the boundaries of the claim scope may be unclear. – Unlimited functional claim limitations that extend to all means of resolving a problem may not be adequately supported by the written description or may not be commensurate in scope with the enabling disclosure. • When the claim does not recite the particular structure that accomplishes the function, all means of resolving the problem may be encompassed by the claim. 04/08/2011 30
Supplementary § 112 Examination Guidelines Functional Claiming (cont. ) • How to determine whether the functional limitation is definite? – Highly dependent on the applicant’s disclosure and the knowledge of those of ordinary skill in the art. – Example: a claim reciting substantially pure carbon black in the form of commercially uniform, comparatively small, rounded smooth aggregates having a spongy or porous exterior. • Problems associated with the limitation: 1. Commercially uniform only means the degree of uniformity that commercial buyers desire; 2. Comparatively small has no meaning because no standard for comparison is given; 3. Spongy and porous are synonyms and are not helpful in distinguishing the invention from the prior art. 04/08/2011 31
Supplementary § 112 Examination Guidelines Functional Claiming (cont. ) • Factors useful for determining whether functional language is indefinite include: 1. Whethere is a clear cut indication of the scope of the subject matter covered by the claim; 2. Whether the language sets forth well-defined boundaries of the invention or only states a problem solved or a result obtained; and 3. Whether one of ordinary skill in the art would know from the claim terms what structure or steps are encompassed by the claim. – This list is not exhaustive. 04/08/2011 32
Supplementary § 112 Examination Guidelines Functional Claiming (cont. ) • Claims that mix apparatus and method limitations (such as functions or actions of a user) are indefinite when the boundaries are unclear. • Note recent example of In re Katz (Fed. Cir. 2011): – Claim: A system with an interface means for providing automated voice messages…to certain of said individual callers, wherein said certain of said individual callers digitally enter data. – The italicized claim limitation is not directed to the system, but rather to actions of the individual callers, which creates confusion as to when direct infringement occurs. The claim is indefinite. 04/08/2011 33
Supplementary § 112 Examination Guidelines Functional Claiming (cont. ) • An appropriate applicant response to an indefiniteness rejection is to resolve the ambiguity by, for example: 1. Using a quantitative metric (e. g. , numeric limitation for a physical property) rather than a qualitative functional feature; 2. Demonstrate that the specification provides a formula for calculating a property along with examples that meet the claim limitation and examples that do not; 3. Demonstrate that the specification provides a general guideline and examples sufficient to teach a person skilled in the art when the claim limitation is satisfied; or 4. Amend the claims to recite the particular structure that accomplishes the function. 04/08/2011 34
Supplementary § 112 Examination Guidelines Means-Plus-Function Claim Limitations and Other Non-Structural Claim Terms that Invoke § 112, ¶ 6 04/08/2011 35
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 For any claim limitation that recites a term and associated functional language: 1. Determine, under BRI, whether the limitation invokes § 112, ¶ 6; – 2. If the limitation invokes § 112, ¶ 6, – 3. This is a limitation-by-limitation analysis because § 112, ¶ 6 applies to claim limitations, not claims in general. Interpret the scope of the claim limitation to include the structure specifically disclosed in the specification for achieving the recited function and equivalents to that structure. If the specification does not disclose the structure (or sufficient structure) for achieving the recited function of the § 112, ¶ 6 limitation, – 04/08/2011 Reject the claim under § 112, ¶ 2 because the claim scope is indefinite. 36
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) 1. Determining whether the limitation invokes § 112, ¶ 6. – Why is this important? • The BRI of a limitation may change depending on whether § 112, ¶ 6 is invoked. • If § 112, ¶ 6 is not invoked, the limitation must be interpreted under BRI in light of the specification and the prior art. – The scope of the claim is not limited to the specific structure disclosed in the specification. – Limitations cannot be imported to the claim from the specification. 04/08/2011 37
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • For example, compare “filter” (not invoking § 112, ¶ 6) with “means for separating particulates from a solution” (invoking § 112, ¶ 6): – A “filter” may have a broader meaning and thus be anticipated by more prior art. – A “means for separating particulates from a solution” may have a narrower meaning when the structure identified in the specification for separating particulates is one specific type of filter, and therefore can only be anticipated by that particular type of filter and its equivalents. 04/08/2011 38
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) How to make this determination? A. Does the claim limitation use the phrase “means for” or “step for” coupled with functional language? – If it does, there is a strong presumption that § 112, ¶ 6 is invoked. – This presumption is overcome if the limitation includes the structure necessary to perform the recited function. – Thus, a claim limitation will invoke § 112, ¶ 6, if: • It uses the phrase “means for” or “step for, ” • The phrase is modified by functional language, and • The limitation does not include the structure necessary to perform the claimed function. 04/08/2011 39
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) B. Does the claim limitation use a non-structural term (a term that is simply a substitute for “means for”) coupled with functional language? – For example, the following can be non-structural terms used in place of “means for”: – – – 04/08/2011 mechanism for module for device for unit for component for – – – element for member for apparatus for machine for system for A claim limitation will invoke § 112, ¶ 6, if: • It uses a non-structural term without any structural modifier, • The term is modified by functional language, and • The limitation does not include the structure necessary to perform the claimed function. 40
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) C. What if the claim limitation uses a structural modifier before the non-structural term? – A limitation will not invoke § 112, ¶ 6 if it uses a structural modifier before the non-structural term. • – A limitation may invoke § 112, ¶ 6, however, if it uses a nonstructural modifier before the non-structural term. • 04/08/2011 For example, “filter system for filtering particulates” will not invoke § 112, ¶ 6 because the non-structural term “system for” is preceded by the modifier “filter” which has a known structural meaning in the art. For example, non-structural terms (e. g. , “mechanism, ” “element, ” and “member”) preceded by modifiers that do not have any known structural meaning in the art may invoke § 112, ¶ 6: “colorant selection mechanism, ” “lever moving element, ” and “moving link member. ” 41
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) D. What if the claim limitation uses a structural term coupled with functional language? – A limitation will not invoke § 112, ¶ 6, if it uses a structural term. • For example, the following structural terms have been found not to invoke § 112, ¶ 6: – circuit for – detent mechanism – digital detector for – reciprocating member 04/08/2011 – connector assembly – perforation – sealingly connected joints – eyeglass hanger member 42
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) E. How to determine whether a claim term associated with the function is structural? – Check whether the specification provides a description of the claim term that would be sufficient to inform one of ordinary skill in the art that the term denotes structure. – Determine whethere is evidence that the term has achieved recognition as a noun denoting structure – look at general and subject matter specific dictionaries. – Evaluate whethere is evidence in the prior art that the claim term has an art-recognized structure to perform the claimed function. 04/08/2011 43
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • A structural term could be a term known in the art to be the name for the structure that performs the function. – The term is not required to denote a specific structure or a precise physical structure. – It may cover a broad class of structures or identify the structures by their function. – For example, the following structural terms (used as nouns) would typically not invoke § 112, ¶ 6: – filter – brake – clamp 04/08/2011 – screwdriver – lock 44
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) 2. Identifying the corresponding structure disclosed in the specification. • Why is this important? – • Under the BRI, the claim scope of a limitation that invokes § 112, ¶ 6 is limited to the structure specifically disclosed in the specification for achieving the recited function and equivalents to that structure. How to identify the corresponding structure in the specification? – – – 04/08/2011 Review the specification from the point of view of one skilled in the art. Determine whether the specification clearly links the structure to the claimed function. Determine whether the disclosure contains sufficient structure to perform the claimed function. 45
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • For a computer-implemented limitation that invokes § 112, ¶ 6, determine whether the claimed function is either: – A function that can be achieved by any general purpose computer without special programming, or • – A specific function that must be performed by a special purpose computer (i. e. , cannot be performed by any general purpose computer), • 04/08/2011 Examples: “means for processing data, ” “means for calculating a sum, ” or “means for storing data” Example: “control means to control displayed images, to define a set of predetermined arrangements for a given game depending on the player’s selections, and to pay a prize when a predetermined arrangement of symbols was displayed. ” 46
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • If the claimed function is a general computing function (e. g. , “means for storing data”), a general purpose computer is usually sufficient for the corresponding structure. • If the claimed function, however, is a specific function that is required to be performed by a special purpose computer, – The corresponding structure in the specification must be more than a mere reference to: • 04/08/2011 A general purpose computer, microprocessor, specialized computer, or an undefined component of a computer system, software, logic, code or black box element. 47
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • For a specific function, the corresponding structure must include an algorithm that transforms the general purpose computer to the special purpose computer programmed to perform the specific claimed function. – The algorithm may be expressed in any understandable terms, including mathematical formula, prose, flow chart, or other appropriate language or drawing that discloses the structure. – It is not sufficient that one of ordinary skill in the art is capable of writing the software. – There must be an explanation of how the computer or component performs the claimed function. – Sufficiency of explanation is determined in light of the level of ordinary skill in the art. 04/08/2011 48
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • What if the specification discloses hardware, software, or a combination of both as the structure for the claimed function when § 112, ¶ 6 is invoked? – The claim limitation is limited to the hardware or the combination of hardware and software. • • – 04/08/2011 This is because the corresponding structure of a means-plusfunction limitation must be structural. It cannot read on software alone. If the specification discloses only software as the corresponding structure, the claim must be rejected as indefinite under § 112, ¶ 2, as no corresponding structure has been identified. 49
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) 3. If the specification lacks the corresponding structure (or sufficient structure), the claim must be rejected as indefinite under § 112, ¶ 2. – Why is this important? • • 04/08/2011 If the specification does not disclose sufficient structure to perform the claimed function of a § 112, ¶ 6 limitation, the claim scope will not be clear, and will amount to pure functional claiming. A bare statement that known techniques can be used is not sufficient to support a § 112, ¶ 6 limitation. 50
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • A rejection under § 112, ¶ 2 is also appropriate: – When it is unclear whether a claim limitation invokes § 112, ¶ 6; or – When the specification fails to clearly link the corresponding structure to the claimed function of a § 112, ¶ 6 limitation. • 04/08/2011 A requirement for information under 37 CFR 1. 105 may be made to require the identification of the corresponding structure. 51
Supplementary § 112 Examination Guidelines Claim Limitations Under § 112, ¶ 6 (cont. ) • What if the preamble recites the phrase “means for” coupled with functional language? – A rejection under § 112, ¶ 2 is appropriate if it is unclear whether the preamble is reciting a meansplus-function limitation or whether the preamble is merely stating an intended use. – However, if a structural or non-structural term is merely used with the word “for” in the preamble, the preamble should not be construed as a limitation invoking § 112, ¶ 6. 04/08/2011 52
Supplementary § 112 Examination Guidelines Supplemental Information for Examining Computer-Implemented Functional Claim Limitations 04/08/2011 53
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations • Computer-implemented functional claim limitations that are not limited to specific structure have unique examination issues. – After giving the limitation the BRI: 1. Determine whethere is adequate written description. 2. Determine whether the full scope of the limitation is enabled. 3. Determine whether the limitation is patentable over the prior art under §§ 102 and 103. 04/08/2011 54
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) 1. Determine whethere is adequate written description under § 112, ¶ 1. – The written description requirement is separate and distinct from the enablement requirement. – The specification must: • • 04/08/2011 Describe the claimed invention in a manner understandable to a person of ordinary skill in the art, and Show that the inventor actually invented the claimed subject matter. 55
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • The written description requirement applies to all claims including original claims. – Although most original claims will satisfy the requirement, certain claims may not. – For example, the specification may fail to support: • • 04/08/2011 A broad genus claim that covers all ways of performing the processes when the specification provides only one method and there is no evidence that a more generic way is contemplated; or A claim that defines the invention in functional language specifying a desired result when the specification does not sufficiently identify how the invention achieves the claimed function. 56
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • Is there sufficient disclosure of hardware as well as software? – It is not enough that one skilled in the art could write a program to achieve the claimed function. – The specification must disclose the computer and the algorithm (e. g. , the necessary steps and/or flowcharts) that perform the claimed function in sufficient detail such that one of ordinary skill can reasonably conclude that the inventor invented the claimed subject matter. • 04/08/2011 Make a rejection under § 112, ¶ 1 based on lack of written description if the specification fails to provide such a disclosure. 57
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) 2. Determine whether the full scope of the limitation is enabled. – The specification must teach one of ordinary skill in the art how to make and use the claimed invention without undue experimentation. • 04/08/2011 In In re Wands, the court set forth the following factors for determining whether undue experimentation is needed: 1. Breadth of the claims; 2. Nature of the invention; 3. State of the prior art; 4. Level of one of ordinary skill; 5. Level of predictability in the art; 6. Amount of direction provided by the inventor; 7. Existence of working examples; and 8. Quantity of experimentation needed to make or use the invention based on the content of the disclosure. 58
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • When the functional claim is not limited to a particular structure for performing the claimed function, the claim may cover all devices that perform the claimed function. • This raises a concern regarding whether the scope of enablement provided by the disclosure is commensurate with the scope of protection sought by the claim. • Applicant cannot rely on the knowledge of one skilled in the art to supply information on the novel aspects of the claimed invention. • Make a rejection under § 112, ¶ 1 when the specification does not enable the full scope of the claims. – 04/08/2011 Must explain why undue experimentation would be required using the Wands factors. 59
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • For example, in Auto. Techs. v. BMW of N. Am. : – The claim limitation was construed to include both mechanical side impact sensors and electronic side impact sensors for performing the function of initiating an occupant protection apparatus. – The specification, however, did not disclose any discussion of the details or circuitry involved in the electronic side impact senor, and thus, it failed to apprise one of ordinary skill how to make and use the electronic sensor. 04/08/2011 60
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) 3. Determine whether the limitation is patentable over the prior art under §§ 102 and 103. – Functional claim language that is not limited to a specific structure covers all devices that are capable of performing the recited function. – Thus, a rejection under §§ 102 or 103 may be appropriate if the prior art discloses a device that can inherently perform the claimed function. 04/08/2011 61
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • The claim term “computer” must be given the BRI. – “Computers” are commonly understood by one of ordinary skill to describe a variety of devices with varying degrees of complexity and capabilities. – The BRI of the term “computer” should not be limited to a computer having a specific set of characteristics and capabilities, unless the term is modified by other claim terms or clearly defined in the specification to be different from its common meaning. – Example: claims directed to a portable computer were rejected under § 102 by a reference that disclosed a calculator because “computer” was given the BRI that included a calculator (considered to be a particular type of computer by those of ordinary skill in the art). 04/08/2011 62
Supplementary § 112 Examination Guidelines Computer-Implemented Functional Claim Limitations (cont. ) • When determining whether a computer-implemented functional claim is obvious, note the following: – Broadly claiming an automated means to replace a manual function to accomplish the same result does not typically distinguish over the prior art. – Implementing a known function on a computer has been deemed obvious if the automation of the known function on a general purpose computer is nothing more than a predictable use of prior art elements according to their established functions. – Adapting an existing process to incorporate Internet or Web browser technologies for communicating and displaying information have become commonplace for those functions. 04/08/2011 63
Supplementary § 112 Examination Guidelines Markush Claims 1. Indefiniteness Rejection 2. “Improper Markush Grouping” Rejection 04/08/2011 64
Supplementary § 112 Examination Guidelines Markush Claims 1. Indefiniteness Rejection under § 112, ¶ 2 – A “Markush” claim recites a list of alternatively useable species. • It is commonly formatted as: “selected from the group consisting of A, B, and C, ” but this format is not a requirement. – Problem arises when a Markush group is so expansive that persons skilled in the art cannot determine the metes and bounds of the invention. – The test is whether one of ordinary skill can envision all of the members of the Markush group. – If not, the Markush claim may be rejected as indefinite under § 112, ¶ 2 because the metes and bounds of the claim are unclear. 04/08/2011 65
Supplementary § 112 Examination Guidelines Markush Claims (cont. ) 2. “Improper Markush Grouping” Rejection • A Markush claim may be rejected under the judicially approved “improper Markush grouping” doctrine when the claim contains an improper grouping of alternatively useable species. • A claim contains an “improper Markush grouping” if: 1. The species of the Markush group do not share a “single structural similarity, ” – Meaning they do not belong to the same recognized physical or chemical class or same art-recognized class, or 2. The species do not share a common use, – Meaning they are not disclosed in the specification or known in the art to be functionally equivalent. – If 1 or 2 apply, then an “improper Markush grouping” rejection should be made. 04/08/2011 66
Supplementary § 112 Examination Guidelines Markush Claims (cont. ) • An appropriate applicant response includes: – – • Amending the claims to include only the species that share a single structural similarity and a common use, or Presenting a sufficient showing that the species in fact share a single structural similarity and a common use. An election of species can be required in order to conduct examination directed to a species or group of indistinct species. – 04/08/2011 If the species or group of indistinct species is not found in the prior art, extend the search to the species that share a single structural similarity and common use. 67
Supplementary § 112 Examination Guidelines Step III. Compact Prosecution Procedures for Resolving § 112 Issues 04/08/2011 68
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language A. Establish a Clear Record • The Office actions and responses should represent a clear and accurate picture of the Office’s consideration of patentability. – When making a rejection under § 112, ¶ 2 based on a claim term or phrase that is indefinite, clearly communicate the findings and reasons that support the rejection by identifying the term or phrase and explain why it is indefinite. – For example, explain why the meaning of a term is uncertain, the boundaries of the limitation are not clear, or the limitation is too subjective to be measured. See also MPEP § 2173. 05. 04/08/2011 69
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language (cont. ) • Focus on the threshold requirements of clarity and precision to make a rejection. – If the examiner believes more suitable or precise language is available but the claim does not cross the threshold of being indefinite, a suggestion of improved language should be made rather than a rejection. – If more information is necessary to determine clarity, a requirement for information under 37 CFR 1. 105 may be appropriate. See MPEP § 704. 10. 04/08/2011 70
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language (cont. ) • If a rejection is made and overcome, ensure that the record is clear as to how the indefiniteness has been resolved. – • If the record does not speak for itself, add clarifying remarks in the next action or notice of allowability. If the record is not clear upon allowance, prepare reasons for allowance to explain, for example, a claim interpretation that may not be readily apparent or an interpretation discussed during an interview. – 04/08/2011 Ensure that unwarranted interpretations are not placed upon the claims. 71
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language (cont. ) • State on the record which claim limitations are being interpreted under § 112, ¶ 6. – If the phrase “means for” or “step for” are not used, explain why the claim limitation is invoking § 112, ¶ 6. • For example, identify the claim limitation that uses a nonstructural term coupled with functional language. – Identify the corresponding structure disclosed in the specification that performs the claimed function if it is not readily apparent. – At the time of allowance, ensure that any § 112, ¶ 6 limitations have been clearly identified as such and an appropriate explanation has been provided, or include an explanation in the reasons for allowance. 04/08/2011 72
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language (cont. ) B. Practice Compact Prosecution • Clearly articulate all appropriate rejections early in the prosecution. • Review each claim for compliance with every statutory requirement for patentability and reject each claim on all reasonable grounds to avoid piecemeal examination. • When making both a § 112, ¶ 2 rejection and a rejection over prior art, state on the record how the claim term or phrase that is indefinite is being interpreted. 04/08/2011 73
Supplementary § 112 Examination Guidelines Resolving Indefinite Claim Language (cont. ) • Open lines of communication, especially when indefiniteness can be resolved through an interview. – Issues of clarity and interpretation of claim scope can lend themselves to resolution through an examiner-initiated interview when appropriate. – Record substance of interview, for example why a claim term is not clear, why a term is inconsistent with the specification, why the term does or does not invoke § 112, ¶ 6, and what are the proposed claim amendments. 04/08/2011 74
Supplementary § 112 Examination Guidelines • For more information: – Examiner Training Materials (e. g. , Best Practices in Compact Prosecution and Effective Interview Practice) are available at http: //www. uspto. gov/patents/law/exam/exmr_training_material s. jsp. – Memoranda to the Examining Corps are available at http: //www. uspto. gov/patents/law/exam/exmr_training_material s. jsp. – Recent Published Examination Guidelines are available at http: //www. uspto. gov/patents/law/notices/2010. jsp and http: //www. uspto. gov/patents/law/notices/2011. jsp. 04/08/2011 75
Thank You 04/08/2011 76