Prosecution Insights
Last updated: April 19, 2026
Application No. 18/127,214

OSMOTIC DRUG DELIVERY IMPLANTS

Non-Final OA §103
Filed
Mar 28, 2023
Examiner
TRAN, SUSAN T
Art Unit
1615
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Lyra Therapeutics Inc.
OA Round
1 (Non-Final)
63%
Grant Probability
Moderate
1-2
OA Rounds
3y 4m
To Grant
98%
With Interview

Examiner Intelligence

Grants 63% of resolved cases
63%
Career Allow Rate
632 granted / 1009 resolved
+2.6% vs TC avg
Strong +36% interview lift
Without
With
+35.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
52 currently pending
Career history
1061
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
39.1%
-0.9% vs TC avg
§102
22.7%
-17.3% vs TC avg
§112
21.5%
-18.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1009 resolved cases

Office Action

§103
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, 6-18, 20 and 43-53) in the reply filed on 07/03/2025 is acknowledged. Claims 21, 22, 29-35, 39 and 40 withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 07/03/2025. 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. Claims 1, 6-18, 20 and 43-53 are rejected under 35 U.S.C. 103 as being unpatentable over Yu et al. US 20170224476, in view Gillis US 20010041870 A1. You teaches a method for delivering an agent by implanting into a sinus cavity an implantable delivery device. See Abstract and Claims. Device includes expandable device is found in paragraph 0042. Device further include a coating that comprises an additional coating material and a therapeutic agent, for example, selected from the therapeutic agents described elsewhere herein, among other possibilities. The additional conformal coating may range, for example, from between 1 μm to 25 μm in thickness (e.g., ranging from 1 to 2 to 5 to 20 to 25 μm in thickness), among other possibilities. In certain embodiments, the additional coating material may be a biodegradable polymer such as poly(lactide-co-ε-caprolactone) or a mixture of poly(lactide-co-ε-caprolactone) and an additional polymer such as a homopolymer or copolymer of lactide, for instance, poly(lactide-co-glycolide) (also referred to herein as poly(lactic acid-co-glycolic acid)). Where included, the additional polymer may be present, as a weight percent of the additional conformal coating, in amounts ranging, for example, from 5 to 50%. The poly(lactide-co-ε-caprolactone) may have, for example, a molar percentage of lactide ranging from 50 to 95% and a molar percentage of caprolactone ranging from 50 to 5%, among other possibilities. Where present, the poly(lactide-co-glycolide) may have, for example, a molar percentage of lactide ranging from 50 to 99.9% and a molar percentage of glycolide ranging from 50 to 0.1%, among other possibilities. See paragraph 0037. Therapeutic agents include mometasone furoate, glucocorticoids, steroid, antibodies, proteins and peptide are found in paragraphs 0484-0486 and 0495. You is only deficient in the teaching of an osmotic device that comprises a coating with an orifice and a lumen that comprises osmogene. Gillis teaches an implantable device comprises a proximal end, a distal end, and a guide body defining a lumen, and can optionally comprise a stable positioning element for stably positioning a drug delivery device within the guide. The device can be provided in connection with a drug delivery device. In use, the device is implanted within a subject so as to provide a conduit through which a drug delivery device can be retrievably introduced to facilitate delivery of drug to a treatment site within a subject at a site distal to an accessible implantation site. The drug delivery device is then positioned within the guide lumen to provide for delivery of drug from the drug delivery to the desired treatment site. See Abstract and Claims. Drug delivery device including an osmotic pump with an orifice is found in paragraphs 0124-0137. Treatment site includes intranasal. See page 0072. Polymer coating membrane is found in paragraphs 0091-0092 and 0139. Thus, it would have been prima facie obvious to one of ordinary skill in the art to optimize the teaching in You to include an osmotic pump intranasal device in view of the teaching in Gillis. This is because Gillis teaches using an osmotic pump to control the release rate of active agent is known and useful in pharmaceutical art. Correspondence Any inquiry concerning this communication or earlier communications from the examiner should be directed to SUSAN T TRAN whose telephone number is (571)272-0606. The examiner can normally be reached Monday-Friday, 8:30 am-5:30 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, ROBERT A. WAX can be reached at 571-272-0623. 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. /SUSAN T TRAN/Primary Examiner, Art Unit 1615
Read full office action

Prosecution Timeline

Mar 28, 2023
Application Filed
Oct 11, 2025
Non-Final Rejection — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12599598
OSMOTIC DOSAGE FORMS COMPRISING DEUTETRABENAZINE AND METHODS OF USE THEREOF
2y 5m to grant Granted Apr 14, 2026
Patent 12600718
METHOD FOR PREPARING COMPOUND AS PI3K INHIBITOR AND INTERMEDIATE COMPOUND FOR PREPARING SAME
2y 5m to grant Granted Apr 14, 2026
Patent 12599697
Liquid Embolic Compositions with Controlled Release of Radiopaque and Therapeutic Compounds and Methods of Using the Same
2y 5m to grant Granted Apr 14, 2026
Patent 12589075
OSMOTIC DOSAGE FORMS COMPRISING DEUTETRABENAZINE AND METHODS OF USE THEREOF
2y 5m to grant Granted Mar 31, 2026
Patent 12568965
ANTIMICROBIAL COMPOSITION COMPRISING AN ALKYLDIMETHYLBENZYLAMMONIUM COMPOUND
2y 5m to grant Granted Mar 10, 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
63%
Grant Probability
98%
With Interview (+35.9%)
3y 4m
Median Time to Grant
Low
PTA Risk
Based on 1009 resolved cases by this examiner. Grant probability derived from career allow rate.

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