The USPTO's recent update ¹ significantly impacts the determination of obviousness, particularly in light of the America Invents Act (AIA), which shifts the focus from “at the time the invention was made” to “before the effective filing date of the claimed invention.” This change underscores the necessity for applicants to strategically document their inventive process and prioritize early patent filing.

The updated guidance reinforces the need for patent examiners to provide a clear articulation of reasoning grounded in relevant facts when making an obviousness determination. Further, the guidance mandates a comprehensive evaluation of all pertinent evidence, placing substantial emphasis on secondary considerations such as commercial success, long-felt but unaddressed needs, and failures of others in the field. Stakeholders are advised to meticulously document and present this evidence, linking it directly to the patented invention's unique contributions to its field. The guidance adjusts the obviousness analysis' time focus due to the AIA. This change aligns with a first-inventor-to-file system, underscoring the importance of early and well-documented patent filing processes for inventors

While the updated USPTO guidance on obviousness aims to clarify and enhance the patent examination process, it arguably increases the burden on applicants by necessitating more comprehensive documentation and evidence presentation. This requirement to meticulously document inventive steps, secondary considerations, and the relevance of prior art may demand additional resources and effort, potentially complicating the patent filing process and could be particularly burdensome for small entities.

Increased Emphasis on Flexibility in the Obviousness Analysis

The Supreme Court in KSR v. Teleflex mandated a departure from rigid frameworks, advocating for a flexible approach to the obviousness analysis. This flexibility recognizes the role of creativity and common sense attributed to a person of ordinary skill in the art (PHOSITA). The USPTO's updated guidance reaffirms this directive, encouraging examiners to consider the broader context of the prior art and its potential implications on inventive activity.²

Under the updated guidance, examiners now evaluate the prior art's scope with an expansive lens, recognizing inventive contributions that might not strictly adhere to the documented uses of prior art. This includes considering non-traditional sources and the inventive capacity of a PHOSITA to combine disparate elements in new ways.

Articulated Reasoning Requirement

Examiners are instructed to prevent hindsight bias by grounding decisions in evidence available at the invention's conception.³

For examiners, the guidance emphasizes the avoidance of hindsight bias by basing decisions on evidence present at the time of the invention's conception. They are tasked with constructing a narrative that shows an invention's obviousness without the benefit of hindsight. Conversely, applicants are encouraged to structure their patent applications in a way that preempts potential obviousness objections. This includes providing detailed descriptions of the problem solved and the inventive steps taken, supported by contemporaneous evidence, such as lab notebooks or early prototypes, to demonstrate the invention's development timeline.

Practitioners are advised to explicitly link the inventive features of their applications to specific technical challenges and solutions, delineating a clear path from problem to solution. This involves detailing the thought process and inventive leaps taken, supported by technical evidence and precedents, to preempt and counteract potential obviousness objections. The guidance requires that assertions of non-obviousness must be substantiated with concrete evidence, such as laboratory notebooks or prototypes, to illustrate the invention's development and its innovative leap over prior art.

Consideration of All Relevant Evidence

The updated guidance stresses evaluation of objective evidence and secondary considerations, like commercial success, industry recognition, and the invention's ability to address long-standing challenges, advising that such evidence should not be an afterthought but a fundamental component of the obviousness analysis. Argument against the invention's obviousness must be reinforced with specificity and detailed underlying data.

The updated guidance highlights the integral role of all pertinent evidence, including objective evidence and secondary considerations, in the obviousness evaluation. Examiners are reminded of the significance of detailed, factually supported expert testimonies and objective evidence, enhancing the credibility of non-obviousness arguments.⁴

This guidance offers analysis of how secondary considerations, like commercial success, long-felt but unsolved needs, and failure of others, are factored into the obviousness evaluation. Applicants should meticulously document and present evidence of commercial success, industry acknowledgment, or solving long-standing industry challenges directly attributable to the patented invention.

Clarification on Analogous Art

A significant aspect of the update is the expanded criteria for identifying analogous art, urging examiners to broadly interpret relevance and consider any work potentially pertinent to the invention's problem. This broad interpretation encourages a more inclusive prior art search and evaluation process. The updated guidance provides clearer parameters for identifying analogous art, reflecting a broader interpretation that aligns with the flexible approach that the guidance encourages.⁵

Practitioners should therefore expand their prior art searches to consider a wider array of references and be prepared to argue their relevance or irrelevance based on this inclusive definition.  Clarification on analogous art requires a diligent assessment of prior art's relevance, extending beyond the immediate field of the invention to include any work that the PHOSITA would reasonably consider relevant to the problem at hand. Practitioners must therefore cast a wider net in prior art searches and adeptly argue for or against the pertinence of cited references based on this broader interpretation.

Addressing the Time Focus Post-AIA

In accordance with the America Invents Act (AIA), the guidance adjusts the obviousness analysis timeframe, focusing on the period before the effective filing date of the claimed invention. This shift demands thorough documentation and strategic patent filing practices from applicants, aligning with the first-inventor-to-file system.⁶

The shift to evaluating obviousness from “before the effective filing date of the claimed invention” compels applicants to prioritize early and thorough documentation of their inventive process and prior art considerations. This change necessitates a strategic approach to patent filing, including provisional applications and diligent prior art searches, to establish primacy and navigate the first-inventor-to-file system effectively

Conclusion

The USPTO's revised obviousness guidance signifies a pivotal shift towards a nuanced, flexible evaluation process. It enhances clarity and fairness in determinations by emphasizing detailed reasoning, the importance of all relevant evidence, and aligning with the AIA's stipulations. As this guidance is integrated into the MPEP, examiners and practitioners alike must adapt their approaches to reflect these comprehensive standards, facilitating a more transparent and equitable examination process.

^{[1] “Updated Guidance for Making a Proper Determination of Obviousness,” 89 FR 14449, 
[2] III. The Federal Circuit’s Implementation of KSR Has Reiterated a Flexible Approach to Obviousness, 89 FR 14449, 14452.
[3] III.C Flexible Approach to Obviousness Does Not Negate the Need for Articulated Reasoning and Evidentiary Support, Id. at 14452-14453
[4] IV. All Evidence Relevant to the Question of Obviousness That Is Properly Before the Decision-Maker Must Be Considered, Id. at 14453
[5] A. Flexible Approach To Understanding the Scope of Prior Art, Id. at 14452
[6] I. The America Invents Act Impacted the Time Focus of the KSR Inquiry, Id. at 14450}

This publication is intended for general information purposes only and does not and is not intended to constitute legal advice. The reader should consult with legal counsel to determine how laws or decisions discussed herein apply to the reader's specific circumstances.