Prosecution Insights
Last updated: April 19, 2026
Application No. 18/678,315

ADDITIVE MANUFACTURING OF POLYMER CERAMICS

Non-Final OA §102
Filed
May 30, 2024
Examiner
CHIDIAC, NICHOLAS J
Art Unit
1744
Tech Center
1700 — Chemical & Materials Engineering
Assignee
BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
OA Round
1 (Non-Final)
53%
Grant Probability
Moderate
1-2
OA Rounds
2y 12m
To Grant
88%
With Interview

Examiner Intelligence

Grants 53% of resolved cases
53%
Career Allow Rate
104 granted / 196 resolved
-11.9% vs TC avg
Strong +35% interview lift
Without
With
+35.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 12m
Avg Prosecution
44 currently pending
Career history
240
Total Applications
across all art units

Statute-Specific Performance

§101
3.9%
-36.1% vs TC avg
§103
46.6%
+6.6% vs TC avg
§102
21.4%
-18.6% vs TC avg
§112
22.9%
-17.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 196 resolved cases

Office Action

§102
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 with traverse of Species 1 in the reply filed on December 3, 2025 is acknowledged. The traversal is on the ground(s) that there is no serious search and/or examination burden because these are substantially similar products. This is not found persuasive because the two species recite different categories of materials that do not have the subject matter overlap that Applicant asserts. The requirement is still deemed proper and is therefore made FINAL. Claims 4-7 withdrawn from further consideration pursuant to 37 CFR 1.142(b), as being drawn to a nonelected species, there being no allowable generic or linking claim. Applicant timely traversed the restriction (election) requirement in the reply filed on December 3, 2025. Claim Rejections - 35 USC § 102 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 the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 1-3 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Kessler (Physical Properties and Weathering Characteristics of Slate). Regarding claim 1, Kessler discloses a fabricated structure having at least two dimensions and formed by a printing operation, the fabricated structure comprising: a body comprising a ceramic material (slate comprises ceramic, p. 383; printing is part of the preamble and does not limit limitations for an object produced by such a method, any fabricated ceramic structure is within the scope of the claim); and wherein the fabricated structure is substantially free of photocuring agents and rheology modifiers (not present in slate). Regarding claim 2, Kessler discloses wherein the body comprises a ceramic material content of at least 98 vol% (p. 383; as claimed, a portion of the slate sample, including a selected portion would also be within the scope, down to a scale so small as to include only a subset of the present compounds). Regarding claim 3, Kessler discloses wherein the body comprises a porosity of not greater than 1 vol% (numerous samples of slate with such a porosity, p. 398). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. [0067] of Beaman (US 2018/0072630; 10,611,694) teaches the additive manufacturing of ceramics and subsequent densification in a furnace to achieve complete density (and therefore minimal porosity). Any inquiry concerning this communication or earlier communications from the examiner should be directed to NICHOLAS J CHIDIAC whose telephone number is (571)272-6131. The examiner can normally be reached 8:30 AM - 6:00 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, Sam Xiao Zhao can be reached at 571-270-5343. 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. /NICHOLAS J CHIDIAC/ Examiner, Art Unit 1744 /XIAO S ZHAO/ Supervisory Patent Examiner, Art Unit 1744
Read full office action

Prosecution Timeline

May 30, 2024
Application Filed
Jan 01, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12570038
METHOD FOR ADDITIVE MANUFACTURING IN AN ADJUSTABLE CONSTRAINED MEDIUM
2y 5m to grant Granted Mar 10, 2026
Patent 12565001
Roller Delivery of a Flowable Material
2y 5m to grant Granted Mar 03, 2026
Patent 12539673
VOLUMETRIC THREE-DIMENSIONAL PRINTING METHODS
2y 5m to grant Granted Feb 03, 2026
Patent 12533845
Correcting Positional Discrepancies of a Build Plate in a Photocurable Resin
2y 5m to grant Granted Jan 27, 2026
Patent 12528253
POWDER SMOKE DETECTION DURING ADDITIVE MANUFACTURING
2y 5m to grant Granted Jan 20, 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
53%
Grant Probability
88%
With Interview (+35.2%)
2y 12m
Median Time to Grant
Low
PTA Risk
Based on 196 resolved cases by this examiner. Grant probability derived from career allow rate.

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