Prosecution Insights
Last updated: April 19, 2026
Application No. 18/672,913

GOLF BALL

Non-Final OA §103
Filed
May 23, 2024
Examiner
GORDEN, RAEANN
Art Unit
3711
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Sumitomo Rubber Industries, Ltd.
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
2y 3m
To Grant
78%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allow Rate
1220 granted / 1469 resolved
+13.0% vs TC avg
Minimal -5% lift
Without
With
+-5.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
41 currently pending
Career history
1510
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
45.8%
+5.8% vs TC avg
§102
13.8%
-26.2% vs TC avg
§112
21.0%
-19.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1469 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 . Priority Acknowledgment is made of applicant's claim for foreign priority based on an application filed in Japan on 5-31-2023. It is noted, however, that applicant has not filed a certified copy of the 2023-001874 application as required by 37 CFR 1.55. Claim Rejections - 35 USC § 103 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. Claim(s) 1-16 is/are rejected under 35 U.S.C. 103 as being unpatentable over Watanabe et al. (2023/0082849) in view of Umezawa et al. (2013/0196790). Claim 1, Watanabe discloses a golf ball comprising a spherical core, an intermediate layer positioned outside the spherical core, and an outermost cover positioned outside the intermediate layer and having a plurality of dimples (fig 1). Watanabe further discloses a center hardness H0 (Shore C hardness) of the spherical core, a surface hardness H100 (Shore C hardness) of the spherical core, a hardness difference S=H100-H0, a material hardness Hm (Shore D hardness) of the intermediate layer, a material hardness Hc (Shore D hardness) of the outermost cover, and a thickness Tc (mm) of the outermost cover. Watanabe does not disclose a dimple volume greater than 365. Umezawa teaches a three-layer golf ball comprising a total lower dimple volume (fig 2) of 464.4 mm^3 (table 3) [(40x1.53) + (184x1.31) + (96x0.73) + (32x1.72) + (16x1.45) + (16x0.62) + (8x0.49)]. Solving for the equation using Watanabe Table 6, comp ex 4 in view of the total dimple volume of Umezawa, the value is 130. (Hc/Tc)×(S×Hm/Vi)≤130 [(47÷0.82) x 16 x (66 ÷ 464.4)]. One of ordinary skill in the art would have modified the dimple volume for the desired flight performance. Claim 2, Watanabe discloses the range for H50 (~H10) is from 65-74 ([0060] (fig 5) and H0 is from 62-72 [0064], using the first number for each range the difference would be 3 (65-62). 0.35<(H10-H0)/S<0.6 or (65-62)/16 = 0.19 (table 6, comp ex 4). Claim 3, Watanabe discloses the hardness difference S<20 is S=16 (table 6, comp 4). Claims 4-5, Umezawa teaches a total lower dimple volume (fig 2) of 464.4 mm^3 (table 3). Claim 6, Watanabe discloses the surface hardness (Shore C hardness) of the spherical core < a surface hardness (Shore C hardness) of the intermediate layer > a surface hardness (Shore C hardness) of the golf ball is satisfied (86.9 < 98 >87) (table 6, comp ex 4). Claim 7, Watanabe discloses the outermost cover contains a polyurethane as a resin component [0093]. Claim 8, Watanabe discloses the surface hardness H100 of the spherical core ranges from 83-94 in Shore C hardness [0056]. Claim 9, Watanabe discloses the center hardness H0 of the spherical core ranges from 62-72 in Shore C hardness [0064]. Claim 10, Watanabe discloses the material hardness Hm of the intermediate layer ranges from 60-72 in Shore D hardness [0078]. Claim 11, Watanabe discloses a thickness Tm of the intermediate layer ranges from 0.9 mm to 1.5 mm [0080]. Claim 12, Watanabe discloses the material hardness Hc of the outermost cover ranges from 35-60 in Shore D hardness [0089]. Claim 13, Watanabe discloses the thickness Tc of the outermost cover ranges from 0.3 mm to 1.2 mm [0091]. Claim 14, Watanabe discloses wherein the hardness H50 (~H10) ([0060] (fig 5) ranges from 65-76 in Shore C hardness [0060] (fig 5). Claim 15, Watanabe discloses the value (Hc/Tc) ranges from 57.3 (47/0.82) (table 6, comp ex 4). Claim 16, Watanabe discloses the value (Hm/Vi) ranges from 0.14 (66/464.4) (table 6, comp ex 4). One of ordinary skill in the art would have modified the dimple volume for the desired flight performance. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to RAEANN GORDEN whose telephone number is (571)272-4409. The examiner can normally be reached Monday-Friday 8am-5pm. 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, Eugene Kim can be reached at 571-272-4463. 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. /RAEANN GORDEN/Primary Examiner, Art Unit 3711 December 17, 2025
Read full office action

Prosecution Timeline

May 23, 2024
Application Filed
Dec 19, 2025
Non-Final Rejection — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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GOLF CLUB HEAD
2y 5m to grant Granted Apr 14, 2026
Patent 12594464
GOLF BALLS HAVING AT LEAST ONE RADAR DETECTABLE MARK
2y 5m to grant Granted Apr 07, 2026
Patent 12594465
GOLF BALLS HAVING INCREASED IMPACT DURABILITY
2y 5m to grant Granted Apr 07, 2026
Patent 12582876
GOLF BALL
2y 5m to grant Granted Mar 24, 2026
Patent 12576314
GOLF CLUB HEAD
2y 5m to grant Granted Mar 17, 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
83%
Grant Probability
78%
With Interview (-5.0%)
2y 3m
Median Time to Grant
Low
PTA Risk
Based on 1469 resolved cases by this examiner. Grant probability derived from career allow rate.

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