Prosecution Insights
Last updated: October 01, 2026
Application No. 18/404,473

DEVICES, SYSTEMS, AND METHODS FOR REAL-TIME MONITORING OF ELECTROPHYSICAL EFFECTS DURING TISSUE TREATMENT

Non-Final OA §112
Filed
Jan 04, 2024
Priority
Dec 15, 2014 — provisional 62/091,703 +4 more
Examiner
LANNU, JOSHUA DARYL DEANON
Art Unit
3791
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Virginia Polytechnic Institute and State University
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
789 granted / 961 resolved
+12.1% vs TC avg
Strong +24% interview lift
Without
With
+24.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
26 currently pending
Career history
983
Total Applications
across all art units

Statute-Specific Performance

§101
10.8%
-29.2% vs TC avg
§103
29.2%
-10.8% vs TC avg
§102
18.2%
-21.8% vs TC avg
§112
35.3%
-4.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 961 resolved cases

Office Action

§112
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Information Disclosure Statement The information disclosure statement (IDS) submitted on 5/1/2024 (not 40 pages) is being considered by the examiner. Applicant should note that the large number of references in the attached IDS from 5/1/2024 (40 pages) have been considered by the examiner in the same manner as other documents in Office search files are considered by the examiner while conducting a search of the prior art in a proper field of search. See MPEP 609.05(b). Applicant is requested to point out any particular reference in the IDS which they believe may be of particular relevance to the instant claimed invention in response to this office action. Specification The lengthy specification has not been checked to the extent necessary to determine the presence of all possible minor errors. Applicant’s cooperation is requested in correcting any errors of which applicant may become aware in the specification. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claims 21 and 34 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, because the specification, while being enabling for control of low and high voltage power supplies using impedance, electrical conductivity, pH, temperature, gas concentrations, chemical concentrations, or nucleic acid concentrations, does not reasonably provide enablement for other control methods. The specification does not enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the invention commensurate in scope with these claims. The claim as written encompasses all possible control methods for controlling signals; however, the specification only gives examples and guidance for the controller to use impedance, electrical conductivity, pH, temperature, gas concentrations, chemical concentrations, or nucleic acid concentrations for controlling the two different voltage power supplies. This would require undue experimentation to determine how to apply other possible control methods. Claims 22-33 and 35-40 inherit the deficiencies of claims 21 and 34 and are likewise rejected. The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 21-40 are is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 21 is unclear. It is not clear how the controller in the system is configured to determine if tissue is ablated when there is no data input or source for the impedance measurements. Furthermore, there is nothing in the claim that describes the control parameters for controlling the low and high voltage signals which makes it unclear/indefinite as one can use any parameter for controlling signal production. Claims 22-33 inherit the deficiencies of claim 21 and are likewise rejected. Claim 30 recites the limitation "the grounding pad" in line 1. There is insufficient antecedent basis for this limitation in the claim. Amending the claim to depend on claim 29 would resolve the issue. Conclusion The examiner notes that, though no art has been applied against claims 21-40 at this time, they are not presently allowable. The question of prior art will be revisited upon resolution of the numerous issues noted above. The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. US 2002/0077627 (Johnson et al., hereinafter Johnson), US 2008/0071265 (Azure), US 2010/0023004 (Francischelli et al., hereinafter Francischelli), and US 2008/0243117 (Sharps et al., hereinafter Sharps) describe the concepts of determining ablation based on impedance measurement and control of voltage application though they all only have one voltage power supply. Any inquiry concerning this communication or earlier communications from the examiner should be directed to JOSHUA DARYL DEANON LANNU whose telephone number is (571)270-1986. The examiner can normally be reached Monday-Thursday 8 AM - 5 PM, Friday 8 AM -12 PM. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Charles Marmor can be reached at (571) 272-4730. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /JOSHUA DARYL D LANNU/Examiner, Art Unit 3791 /CARRIE R DORNA/Primary Examiner, Art Unit 3791
Read full office action

Prosecution Timeline

Jan 04, 2024
Application Filed
Aug 10, 2026
Non-Final Rejection mailed — §112 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
82%
Grant Probability
99%
With Interview (+24.2%)
2y 9m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 961 resolved cases by this examiner. Grant probability derived from career allowance rate.

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