FIP Fixer IP Patent-office-adapted strategy

For patent firms, patent attorneys, and in-house teams

Difficult patent prosecution strategy, adapted to the relevant patent office.

We support patent firms handling difficult office actions, inventive-step or obviousness rejections, appeal or reexamination strategy, and claim-amendment planning.

Fixer IP works behind your firm, under your direction, as a technical and prosecution-strategy support layer. We do not contact your client unless expressly instructed.

Send a redacted OA See review-before-payment
01 Examiner position

What assumption is driving the rejection?

02 Technical mismatch

Where the cited art solves a different problem.

03 Claim route

How to amend without losing commercial value.

04 Strategy package

Work product ready for your review and local adaptation.

Adapted to the relevant patent office, not one-size-fits-all
First matter: review before payment after written scope
Behind your firm; local counsel remains in control

Jurisdiction-adapted strategy

Not one-size-fits-all. Built around the relevant patent office.

For each matter, we study the relevant patent office's prosecution framework, the rejection logic, the claim set, the cited prior art, and the prosecution history. We then prepare a technical and prosecution-strategy package for your firm's review.

01

Difficult Office Action Strategy Support

For cases where a standard response is not enough and the rejection requires deeper technical and prosecution analysis.

02

Inventive-Step / Obviousness Rejection Rescue

Feature mapping, rejection logic breakdown, technical-effect reconstruction, and argument-route design.

03

Appeal / Reexamination / Review Strategy

Post-rejection strategy adapted to the procedure available in the relevant jurisdiction.

04

Claim Amendment and Scope Preservation Strategy

Amendment options designed to overcome objections while preserving commercially meaningful claim scope.

05

Patent Family Strategy Coordination

Coordinating arguments and amendments across related jurisdictions to reduce unnecessary inconsistency or loss of scope.

First matter commercial model

Review our strategy before payment.

For a first cooperation, we can reduce the trust barrier without turning our work into unpaid generic consulting. This model applies only to a first matter and only after written scope and fee confirmation.

01

Redacted intake

Send a difficult office action, independent claim, cited prior art, stage, deadline, and neutral technical summary.

02

Scope agreed first

We confirm whether the matter fits, what deliverable is useful, and what agreed fee applies if any substantial part of the work product is used.

03

You review before payment

If the work is not professionally useful, no fee is due. If your team uses any substantial part of the work product in client advice, prosecution strategy, or filing, the agreed fee applies.

The method

A difficult case often turns on the logic, not on stronger adjectives.

1. Examiner model What the examiner believes the prior art teaches.
2. Technical mismatch Where the claimed system solves a different problem or uses a different mechanism.
3. Claim route What amendment preserves commercial value while satisfying the relevant patent-office logic.
4. Response package Argumentation ready for review, filing, or partner-agent coordination.
Unsupported common-knowledge assertions are treated as evidence issues, not slogans. Where an examiner relies on broad "common knowledge" or unsupported motivation-to-combine reasoning, we test whether the assertion satisfies the relevant patent office's evidentiary and reasoning standards. In China matters, this includes the requirements reflected in the CNIPA Patent Examination Guidelines.

We do not treat an office action as a formality. We read it patiently, identify where the examiner's model has gone wrong, and rebuild the case from that point.

Representative partially sanitized matters

Transferable methods for difficult prosecution matters.

Our public-record-based and partially sanitized case examples illustrate methods that travel across difficult prosecution work: technical feature mapping, rejection logic breakdown, technical-effect reconstruction, amendment-route design, claim-scope preservation, and patent-family consistency review. Some examples are based on China prosecution matters, where our team has direct prosecution experience. The purpose is to show the method, not to imply identical rules across jurisdictions.

These examples illustrate reasoning methods and past outcomes. They do not predict or guarantee results in any future matter.

Case 01 / Environmental equipment

Wastewater flocculation device

Four cited references were not enough once the real circulation mechanism was separated from the examiner's hindsight mosaic.

Read full case page
Examiner logic

The examiner combined four references and asserted that the flocculation cylinder, stirring device, inner cylinder, spiral blade, scraper, observation window, and drainage adjustment could be assembled from prior art.

FIP reconstruction

We attacked the central premise: D2's spiral blade was not functionally equivalent. D2 used a blocking and temporary-holding structure, while the invention used an open guided circulation path.

Defect diagnosed

The rejection treated each feature as a detachable part and then rebuilt the invention from four unrelated documents. The real error was not the number of references, but the assumption that their functions could be freely exchanged.

Response route

We proved essential structural difference, lack of objective motivation to combine, and indivisibility of the overall wastewater-circulation system. The response moved the discussion from "similar parts" to "incompatible operating logic."

Result

Grant was obtained after the first response. The case shows how a multi-reference rejection can be defeated when the alleged combination only works after seeing the invention first.

Case 02 / Chemical equipment

Urea liquid-ammonia pump sealing and cooling system

A single-reference rejection was overturned by showing that 7 percent dilute ammonia water was not merely "water with a different name."

Read full case page
Examiner logic

The examiner treated a cooling fan mechanism as enough to make the claimed system obvious, reduced the medium to a simple coolant substitute, and characterized the fan drive as a routine replacement.

FIP reconstruction

We reframed the invention as a closed-loop industrial system integrating physical cooling, leaked-ammonia absorption, resource recovery, and energy self-consistency.

Technical problem rebuilt

The real problem was not "how to apply a cooling device to a pump." It was how to keep a urea-production pump stable while absorbing leaked ammonia, reducing raw-material loss, and minimizing extra energy consumption.

Key argument

The 7 percent dilute ammonia water performed three coordinated functions: coolant, chemical absorption medium, and resource-recovery platform. D1's ordinary water system was a pure physical cooling model, not a physical-chemical coupled system.

Result

The application proceeded directly to grant after the first office-action response, in about 3.5 months. This is the kind of case where "medium selection" becomes system-level inventiveness.

Case 03 / Polymer processing

Biodegradable material scrap extrusion-mixing process

The case was rescued by replacing surface-feature comparison with an operating-principle comparison.

Read full case page
Examiner logic

The examiner first combined a quantitative twin-screw extruder with a two-way stirring mechanism, then switched to a dental impression-material extrusion device and treated the sealing plate as functionally equivalent.

FIP reconstruction

We used a motion-model analogy: D3 works like a syringe with one-way piston extrusion, while the claimed system works like a shuttle moving left and right to receive and discharge material.

Why the comparison failed

The invention was not ordinary feeding. It coordinated forced mixing with synchronized quantitative delivery during reciprocating movement. A one-way piston mechanism could not cover the alternating dual-blocking structure physically required by the claimed route.

Response route

We rebuilt the inventive concept from the real production pain point: irregular biodegradable scraps are easy to clump and hard to mix uniformly. The response then tied the claim amendment to the flow tube, dual blocking plates, and alternating sealing logic.

Result

After rejection, reexamination, remand, and a second response, the case was granted. It shows how a vivid mechanical model can make complex linkage logic understandable to the examiner.

Fixer IP methods Partially sanitized review packet

Case pages show how we think: feature maps, rejection logic, technical effects, and amendment routes. Public pages avoid unnecessary client-identifying details. Full file histories and unredacted documents are shared only after NDA and conflict clearance.

Open public zero-amendment case study

Additional partially sanitized matters available for review

  • Zero-amendment CNIPA grant: first office-action inventive-step rejection overcome after one response while preserving the independent claim. Read public case study
  • Power amplifier sequencing circuit: novelty risk converted into grant by strategic claim restructuring and examiner-signal execution.
  • AI quality-control production case: reexamination win by exposing hindsight bias in control-model reasoning.
  • BeiDou command-device-free networking: grant path built around the discovery of an unrecognized technical problem.
  • Small precision-part gold plating: rejection revoked through problem reframing, motivation-to-combine blocking, and common-knowledge evidence pressure.

Extended case library

For peer review, each matter can be discussed through the same structure: examiner model, FIP reconstruction, prosecution outcome, and patent-office-specific limits.

Power amplifier sequencing circuit Open full case page

Examiner model: The first office action raised novelty and inventive-step objections based on two references. The second office action maintained inventive-step concerns but indicated that concrete circuit structures and element interconnections could overcome the defect.

FIP reconstruction: We abandoned high-risk novelty claims, rebuilt the claim around useful dependent features, and used a problem-solution-effect matrix to separate the invention from D1 and D2. At the second response stage, we executed the examiner's allowance signal precisely.

Outcome: Grant followed about one month after the second response, showing how an examiner's hint can be converted into a clean allowance path.

AI quality-control production line Open full case page

Examiner model: The rejection combined a dairy contamination model, agricultural sensing, and alleged common knowledge such as potential functions and gradient descent, treating production-line control as an obvious transfer.

FIP reconstruction: We separated output types, gradients, and disturbance meanings. D1 produced risk levels and optimized model parameters; the invention produced actuator action vectors for an industrial process.

Outcome: Reexamination was filed within 28 days after rejection. The rejection was revoked in about three months and the case proceeded to grant.

BeiDou command-device-free networking Open full case page

Examiner model: Group management, member changes, broadcasting, and communication-status notices were treated as routine features of networking systems.

FIP reconstruction: We shifted the focus to the hidden technical constraint: traditional BeiDou communication assumed a command device. Discovering and breaking that command-device dependency was itself the technical contribution.

Outcome: Once the inventive-step issue was neutralized, the second response cleaned up clarity defects and the case was granted.

Small precision-part gold plating Open full case page

Examiner model: The examiner combined a curtain-hook electroplating device with a plate-type plating rack and criticized the conductive path as unnecessarily complex.

FIP reconstruction: We rebuilt the problem as a compound engineering challenge: isolation of soft deformable parts, stable dynamic conduction, and precision transmission in a corrosive electrolyte environment. The complexity was necessary, not decorative.

Outcome: The reexamination board revoked the rejection, the case returned to examination, and the patent was granted.

Pea whey antibacterial peptide and albumin extraction Open full case page

Examiner model: Multiple jurisdictions questioned whether filtration, enzyme use, temperature range, membrane operation order, and concentration-pH-sterilization sequence were routine optimization.

FIP reconstruction: We used experimental data and patent-office-adapted amendments to prove that process order and parameter selection were not arbitrary routine choices.

Outcome: China, Belgium, France, Canada, and the United States all granted, with PPH strategy used where appropriate.

Automatic feeding system for gelatinous biological feed Open full case page

Examiner model: Four references plus alleged common knowledge were used to split the system into isolated sub-problems.

FIP reconstruction: We re-integrated the features around one technical objective: multi-layer distribution of gelatinous fluid feed, where the subsystems cooperate in one feeding scenario.

Outcome: The case was granted after the second office-action response without reexamination.

Big-data biomass supply-chain management system Open full case page

Examiner model: The invention was treated as ordinary business management implemented with routine data collection and mathematical models.

FIP reconstruction: We separated background business operations from the core technical contribution: a computable model system addressing incomplete supply-chain management systems.

Outcome: Reexamination succeeded, the case returned to examination, and grant followed.

Verification

Direct China prosecution experience. Broader support beyond China.

China is our direct prosecution stronghold. Beyond China, we work behind the responsible local attorney or patent firm as a technical and prosecution-strategy support layer, adapting our analysis to the relevant patent office's framework.

China-side prosecution base

English name
Beijing Dingdebao Patent Agency
CNIPA agency code
11823
Agency type
Licensed Chinese patent agency structure
Service scope
China patent prosecution support, reexamination strategy, difficult-case rescue, and technical-effect reconstruction

Verification policy

Public page
Basic institutional information and cooperation model only
Due diligence
Official licenses, practitioner information, and representative file evidence can be provided privately after NDA and conflict clearance
Confidentiality
Client names, unpublished files, and complete prosecution records are never posted publicly
Operating model
Peer support first; direct China prosecution available when required; non-China matters supported through responsible local counsel
Controlled disclosure Enough information to verify that we are real. Not enough to expose internal documents to the entire internet.

When a foreign firm needs compliance review, we can send an evidence packet privately: agency license, public CNIPA lookup references, sanitized case materials, and attorney-level working credentials appropriate to the matter.

Cooperation paths

Behind your firm, under your control.

We do not replace your firm or local counsel. Our role is to support your team with technical analysis, prosecution strategy, argument structure, amendment options, and draft language for review.

Most common

Behind-the-firm strategy support

We prepare the diagnosis, claim strategy, and response logic for review. The responsible local agent or attorney remains in control and decides what should be used, adapted, or filed.

  • No need to disturb a working client relationship.
  • Useful when the foreign firm wants control and local filing continuity.
  • We can coordinate with the agent or attorney of record if authorized.
Strict conflict and loyalty boundary: We support the referring firm in the background and do not proactively contact the end applicant. Work product can be delivered without our branding when appropriate.
China matters

Direct China prosecution experience

Where a China matter requires a fresh prosecution strategy, formal CNIPA work can be handled through our licensed structure when conflicts, deadlines, and file-transfer requirements allow.

  • Appropriate for critical cases requiring a new prosecution strategy.
  • Subject to NDA, conflict review, and document completeness.
  • Official fees, translations, and third-party costs remain separate.
Commercial starting point: For a first matter, review-before-payment may be available after scope and fee are agreed in writing. Payment is tied to the professional usefulness and use of our work product, not to a guaranteed prosecution outcome. Official fees, translations, and local filing-agent charges remain separate.

For inbound peer referrals

Have a difficult OA or post-rejection matter?

You may send us a redacted office action, examination report, written opinion, patent-office communication, independent claim, cited prior art, prosecution stage, deadline, and neutral technical summary for an initial scope check. Client names and full file histories can wait until NDA and conflict clearance are in place.

Website: fixer-ip.com

Primary intake: secure website form routed to our internal mailbox

Initial review: redacted matter first; sensitive files after NDA

Confidentiality: please do not submit unpublished client-identifying documents through the public form

Response route: email reply, then scheduled call or secure document exchange if appropriate

Submitting this form does not create an engagement. Please do not include unpublished client-identifying documents unless confidentiality arrangements are in place. See our Legal notice and Privacy notice.