Prosecution Insights
Last updated: April 19, 2026
Application No. 18/281,286

BIPHASIC BIOMATERIAL BASED ON CURDLAN AND HYDROXY APATITE (HAP) FOR REGENERATION OF OSTEOCHONDRAL DEFECTS AND THE METHOD OF ITS PREPARATION

Non-Final OA §112
Filed
Sep 08, 2023
Examiner
OLADAPO, TAIWO
Art Unit
1771
Tech Center
1700 — Chemical & Materials Engineering
Assignee
UNIWERSYTET MEDYCZNY W LUBLINIE
OA Round
1 (Non-Final)
53%
Grant Probability
Moderate
1-2
OA Rounds
3y 2m
To Grant
64%
With Interview

Examiner Intelligence

Grants 53% of resolved cases
53%
Career Allow Rate
605 granted / 1144 resolved
-12.1% vs TC avg
Moderate +11% lift
Without
With
+11.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
89 currently pending
Career history
1233
Total Applications
across all art units

Statute-Specific Performance

§101
0.9%
-39.1% vs TC avg
§103
52.8%
+12.8% vs TC avg
§102
16.2%
-23.8% vs TC avg
§112
15.9%
-24.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1144 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. Claim Rejections - 35 USC § 112 Claims 1 – 17 are 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. Claims 1, 8 recites the limitation "the upper and the lower phase" in claims 1 and 8. There is insufficient antecedent basis for this limitation in the claim. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to FILLIN "Examiner name" \* MERGEFORMAT TAIWO OLADAPO whose telephone number is FILLIN "Phone number" \* MERGEFORMAT (571)270-3723 . The examiner can normally be reached FILLIN "Work Schedule?" \* MERGEFORMAT 8-5pm . 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, FILLIN "SPE Name?" \* MERGEFORMAT Prem Singh can be reached at FILLIN "SPE Phone?" \* MERGEFORMAT 571-272-6381 . 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. /TAIWO OLADAPO/ Primary Examiner, Art Unit 1771
Read full office action

Prosecution Timeline

Sep 08, 2023
Application Filed
Mar 05, 2026
Non-Final Rejection — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12590262
ANTI-FRICTION COMPOSITE MATERIAL
2y 5m to grant Granted Mar 31, 2026
Patent 12590263
LUBRICANT ADDITIVE, LUBRICANT COMPOSITION, AND WORKING FLUID COMPOSITION
2y 5m to grant Granted Mar 31, 2026
Patent 12584078
Method for Producing Lubricating Greases of Lithium Complex Soaps and Lithium-Calcium-Complex Soaps
2y 5m to grant Granted Mar 24, 2026
Patent 12570911
A MARINE FUEL BLEND
2y 5m to grant Granted Mar 10, 2026
Patent 12571073
ALUMINUM BRONZE ALLOY AND SLIDING MEMBER USING SAID ALLOY
2y 5m to grant Granted Mar 10, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

1-2
Expected OA Rounds
53%
Grant Probability
64%
With Interview (+11.4%)
3y 2m
Median Time to Grant
Low
PTA Risk
Based on 1144 resolved cases by this examiner. Grant probability derived from career allow rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month