Prosecution Insights
Last updated: July 17, 2026
Application No. 18/123,034

DIELECTRIC CERAMIC COMPOSITION, METHOD OF MANUFACTURING DIELECTRIC CERAMIC COMPOSITION, AND MULTILAYER CERAMIC CAPACITOR

Non-Final OA §103
Filed
Mar 17, 2023
Priority
Mar 31, 2022 — JP 2022-058290
Examiner
AUER, LAURA A
Art Unit
1783
Tech Center
1700 — Chemical & Materials Engineering
Assignee
UNIVERSITY OF YAMANASHI
OA Round
1 (Non-Final)
49%
Grant Probability
Moderate
1-2
OA Rounds
5m
Est. Remaining
84%
With Interview

Examiner Intelligence

Grants 49% of resolved cases
49%
Career Allowance Rate
234 granted / 476 resolved
-15.8% vs TC avg
Strong +35% interview lift
Without
With
+34.7%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
33 currently pending
Career history
522
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
81.6%
+41.6% vs TC avg
§102
7.5%
-32.5% vs TC avg
§112
3.4%
-36.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 476 resolved cases

Office Action

§103
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 . Election/Restrictions Applicant’s election without traverse of Group I, claims 1-12, in the reply filed on April 23, 2026 is acknowledged. Claims 13-20 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected method, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on April 23, 2026. Claim Rejections - 35 USC § 103 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claims 1-4, 6, 7, 10 and 11 are rejected under 35 U.S.C. 103 as being unpatentable over Park et al. (US 2012/0172194). Regarding claim 1, Park discloses a method for manufacturing a dielectric ceramic comprising a ferroelectric compound represented by the formula Ba1-xA1xTi1-yB1yO3, wherein A1 is at least one element selected from Pb, Sr, Bi, Ca, Mg, Na, K, and rare-earth elements; B1 is at least one element selected from Zr, Nb, Ta, W, Mn, Fe, Co, Ni, Cr, and Mg; and 0≤x<1 and 0≤y<1, see abstract and [0036]. Note that based on the formula the reference is considered to render obvious the claimed base material with A1 corresponding to Mg and B1 corresponding to W and Mn. Claims 2 and 3 define the product by how the product was made, obtained by main-firing. Thus claims 2 and 3 are product-by-process claims. For purposes of examination, product-by-process claims are not limited to the manipulation of the recited steps, only the structure implied by the steps. See MPEP 2113. In the present case, the recited steps imply a structure with the claimed composition. The reference suggests such a product. Regarding claim 4, the reference discloses the dielectric has a perovskite structure, see abstract. Regarding claim 6, Park discloses a method for manufacturing a dielectric ceramic comprising a ferroelectric compound represented by the formula Ba1-xA1xTi1-yB1yO3, wherein A1 is at least one element selected from Pb, Sr, Bi, Ca, Mg, Na, K, and rare-earth elements; B1 is at least one element selected from Zr, Nb, Ta, W, Mn, Fe, Co, Ni, Cr, and Mg; and 0≤x<1 and 0≤y<1, see abstract and [0036]. Note that based on the formula the reference is considered to render obvious the claimed base material with A1 corresponding to Mg and B1 corresponding to W and Mn. The reference further discloses the dielectric ceramic has increased crystallinity, which corresponds to a dielectric grain [0008]. Regarding claim 7, the reference discloses the grain does not have a core-shell structure, see entire document. Regarding claim 10, while the reference does not specifically disclose the claimed content, given the reference renders obvious the claimed chemical formula, it is expected the amount of Mg and WO3 would be similar to the amount claimed; see MPEP 2112.01 II and 2144.05 I. Regarding claim 11, the reference discloses the dielectric has a perovskite structure, see abstract. Claims 5, 8, 9 and 12 are rejected under 35 U.S.C. 103 as being unpatentable over Park et al. (US 2012/0172194) as applied to claims 1 and 6 above, and further in view of Chang et al. (US 6,649,554). Regarding claims 5 and 12, while Park discloses the claimed composition, the reference fails to disclose a multi-layer ceramic capacitor comprising the dielectric composition. Chang discloses a multi-layer ceramic capacitor comprising a dielectric composition, see abstract. It would have been obvious to one of ordinary skill in the art at the time of the invention for the composition of Park to be used in a multi-layer ceramic capacitor as a known use for dielectric compositions. Regarding claims 8 and 9, Park fails to disclose the composition as homogenous and as having the claimed standard deviation of Ti concentration. Chang discloses a dielectric composition with increased homogeneity in order to prevent irregular voltage resistance and poor reliability, see abstract and col. 2 lines 8-11. It would have been obvious to one of ordinary skill in the art at the time of the invention for the dielectric composition of Park to be homogenous in order to improve reliability. While the references do not specifically disclose the claimed Ti deviation, it would have been obvious to limit the Ti concentration deviation in order to increase homogeneity and improve reliability. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to LAURA A AUER whose telephone number is (571)270-5669. The examiner can normally be reached Monday - Friday 9 am - 4 pm EST. 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, M. Veronica Ewald can be reached at (571)272-8519. 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. /LAURA A AUER/ Primary Examiner, Art Unit 1783
Read full office action

Prosecution Timeline

Mar 17, 2023
Application Filed
May 14, 2026
Non-Final Rejection mailed — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12683076
DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME
3y 11m to grant Granted Jul 14, 2026
Patent 12668524
GLASS AND METHOD FOR MANUFACTURING GLASS
3y 8m to grant Granted Jun 30, 2026
Patent 12655064
CORDIERITE-INDIALITE-PSEUDOBROOKITE STRUCTURED CERAMIC BODIES, BATCH COMPOSITION MIXTURES, AND METHODS OF MANUFACTURING CERAMIC BODIES THEREFROM
2y 5m to grant Granted Jun 16, 2026
Patent 12658369
DIELECTRIC COMPOSITION AND ELECTRONIC COMPONENT
2y 9m to grant Granted Jun 16, 2026
Patent 12649694
SILICONE COMPOSITION AND METHODS OF FORMING THE SAME WHILE FORMING A SILICON DIOXIDE DOPED CARBON-BASED NANOMATERIAL
3y 0m to grant Granted Jun 09, 2026
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
49%
Grant Probability
84%
With Interview (+34.7%)
3y 9m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 476 resolved cases by this examiner. Grant probability derived from career allowance rate.

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