Prosecution Insights
Last updated: August 15, 2026
Application No. 19/036,392

GUIDED HELICAL OSTEOTOME BLADE SYSTEM FOR EXPLANTING AN ANATOMICAL HUMERAL STEM

Non-Final OA §112
Filed
Jan 24, 2025
Priority
Mar 27, 2024 — provisional 63/570,453
Examiner
RAMANA, ANURADHA
Art Unit
3775
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Zimmer Inc.
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
1y 10m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
1039 granted / 1255 resolved
+12.8% vs TC avg
Strong +22% interview lift
Without
With
+22.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
31 currently pending
Career history
1287
Total Applications
across all art units

Statute-Specific Performance

§101
1.5%
-38.5% vs TC avg
§103
25.0%
-15.0% vs TC avg
§102
24.9%
-15.1% vs TC avg
§112
36.0%
-4.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1255 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 . Election/Restrictions Applicant’s election, without traverse, of the invention of Group II in the reply filed on May 11, 2026 is acknowledged. Accordingly, claims 10-15 and 21-28 have been examined on the merits in this office action. Claim Rejections - 35 USC § 112 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. Claim 12 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. In claim 12, the recitation “includes a movable stem to attach to taper of humeral stem” renders the claim vague and indefinite. Applicant’s disclosure describes the movable stem to attach to a tapered connector 32 of a humeral stem. In claim 12, the recitation “configured to solidly hold the blade guide in place relative to the humeral stem.” renders the claim vague and indefinite because it is unclear what configuration is being claimed by “solidly hold.” It is suggested that Applicant recite “configured to hold…” to avoid confusion. Appropriate correction is required. Allowable Subject Matter Claim 12 would be allowable if rewritten to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. Claims 10-11, 13-15 and 21-28 are allowed. Primary Reasons for Allowance: the closest prior art cited in the attached PTO-892 cite some features of Applicant’s claimed invention. However, no references or a reasonable combination thereof, could be found which disclose all the elements of Applicant’s claimed invention. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to Anu Ramana whose telephone number is (571)272-4718. The examiner can normally be reached 8:00 am-5:00 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, Kevin Truong can be reached at (571)272-4705. 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. July 21, 2026 /Anu Ramana/Primary Examiner, Art Unit 3775
Read full office action

Prosecution Timeline

Jan 24, 2025
Application Filed
Jul 24, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12702565
EXPANDABLE INTERVERTEBRAL IMPLANT
1y 10m to grant Granted Aug 11, 2026
Patent 12690855
FACET JOINT IMPLANTS AND DELIVERY TOOLS
4y 10m to grant Granted Jul 28, 2026
Patent 12685545
JOINT REVISION SURGERY OSTEOTOME BLADES AND SURGICAL CHISEL BLADES
3y 7m to grant Granted Jul 21, 2026
Patent 12685650
TOOL FOR ASSEMBLING AND DISASSEMBLING IMPLANT COMPONENTS
2y 9m to grant Granted Jul 21, 2026
Patent 12672883
ORTHOPEDIC RASP AND SURGICAL TECHNIQUE FOR PREPARING AN INTERCUNEIFORM JOINT FOR FUSION
2y 5m to grant Granted Jul 07, 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
99%
With Interview (+22.2%)
3y 4m (~1y 10m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1255 resolved cases by this examiner. Grant probability derived from career allowance rate.

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